{"id":45844,"date":"2023-08-05T09:06:11","date_gmt":"2023-09-28T23:11:37","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45844-2\/"},"modified":"2024-04-30T17:06:43","modified_gmt":"2024-04-30T09:06:43","slug":"45844-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45844-2\/","title":{"rendered":""},"content":{"rendered":"<p>WebAssembly \u306f\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u304b\u3089\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u69d8\u306b\u547c\u3073\u51fa\u3059\u4e8b\u304c\u51fa\u6765\u308b\u3002<br \/>\nWebAssembly \u306e\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u65b9\u6cd5\u306f\u591a\u304f\u306e\u8a18\u4e8b\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u304c\u3001\u305d\u306e\u4f7f\u3044\u65b9\u306f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u7b49\u306e\u30c4\u30fc\u30eb\u306b\u983c\u3063\u3066\u3044\u308b\u4e8b\u304c\u591a\u3044\u69d8\u3060\u3002<br \/>\n\u672c\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u4fbf\u5229\u30c4\u30fc\u30eb\u306b\u51fa\u6765\u308b\u3060\u3051\u983c\u3089\u305a JavaScript, Rust, Python, Ruby \u304b\u3089 WebAssembly \u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u3092\u8a18\u8f09\u3059\u308b\u3002<\/p>\n<p>WebAssembly \u306f\u65b0\u3057\u3044\u6280\u8853\u3067\u3042\u308b\u3002<br \/>\n\u76ee\u5148\u306e\u6700\u5148\u7aef\u30c4\u30fc\u30eb\u306b\u98db\u3073\u3064\u304f\u306e\u3082\u3088\u3044\u304c\u3001\u305d\u306e\u57fa\u790e\u3092\u5b66\u3093\u3067\u9577\u304f\u4f7f\u3048\u308b\u77e5\u8b58\u3092\u8eab\u306b\u7740\u3051\u306a\u3044\u304b\uff1f<\/p>\n<p>\u672c\u8a18\u4e8b\u306f\u30b7\u30ea\u30fc\u30ba\u306e\u7b2c\uff12\u56de\u3067\u3042\u308b\u3002\u30b7\u30ea\u30fc\u30ba\u8a18\u4e8b\u306e\u4e00\u89a7\u306f \u7b2c\uff11\u56de \u306e #\u30b7\u30ea\u30fc\u30ba\u8a18\u4e8b\u4e00\u89a7 \u306b\u8f09\u305b\u3066\u3044\u308b\u3002\u30b7\u30ea\u30fc\u30ba\u306e\u8a18\u4e8b\u3092\u8ffd\u52a0\u3059\u308b\u6642\u306f \u7b2c\uff11\u56de \u306e\u4e00\u89a7\u3092\u66f4\u65b0\u3057\u3066\u901a\u77e5\u3092\u884c\u3046\u306e\u3067\u8208\u5473\u306e\u6709\u308b\u4eba\u306f \u7b2c\uff11\u56de \u3092\u30b9\u30c8\u30c3\u30af\u3057\u3066\u6b32\u3057\u3044\u3002<\/p>\n<h1>\u672c\u8a18\u4e8b\u306e\u6982\u8981\u3068\u904e\u53bb\u8a18\u4e8b\u306e\u5fa9\u7fd2<\/h1>\n<p>\u7b2c\uff11\u56de \u3067\u306f\u3001\u6700\u5c0f\u9650\u306e WebAsseembly \u306e\u30b3\u30fc\u30c9\u3068\u3057\u3066\u300c\u8db3\u3057\u7b97\u3092\u884c\u3046\u300d\u95a2\u6570\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 JavaScript, Rust, Python, Ruby \u3067\u4f5c\u6210\u3057\u305f\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u5b9f\u884c\u3059\u308b WebAssembly \u306e\u30b3\u30fc\u30c9\u3092\u5c11\u3057\u8907\u96d1\u306b\u3059\u308b\u3002<br \/>\n\u5177\u4f53\u7684\u306b\u306f\u3001\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u95a2\u6570\u3092 import \u3059\u308b WebAssembly \u3092\u7528\u610f\u3057\u3001\u4e0b\u8a18\u306e\u4e8b\u3092\u884c\u3046\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Vanilla JS \uff08\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u308f\u306a\u3044\u3001\u305d\u306e\u307e\u307e\u306e JavaScript\uff09\u304b\u3089 WebAssembly \u3092\u5b9f\u884c<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Rust, Python, Ruby \u304b\u3089\u4f4e\u30ec\u30a4\u30e4\u30fc\u306e\u30e9\u30a4\u30d6\u30e9\u30ea wasmtime \u3060\u3051\u3092\u4f7f\u3063\u3066 WebAssembly \u3092\u5b9f\u884c<\/ul>\n<p>\u306a\u304a\u3001\u8aac\u660e\u306e\u90fd\u5408\u4e0a Vanilla JS \u304b\u3089\u5b9f\u884c \u306e\u7ae0\u306f JavaScript \u306b\u8208\u5473\u304c\u7121\u304f\u3068\u3082\u8aad\u3093\u3067\u307b\u3057\u3044\u3002<br \/>\n\uff08\u305d\u3093\u306a\u306b\u96e3\u3057\u3044\u4e8b\u306f\u3084\u3063\u3066\u3044\u306a\u3044\u306e\u3067 JavaScript \u3092\u77e5\u3089\u306a\u304f\u3068\u3082\u672c\u8cea\u7684\u306a\u90e8\u5206\u306f\u7406\u89e3\u3067\u304d\u308b\u306f\u305a\u3060\u3002\uff09<br \/>\n\u305d\u308c\u4ee5\u5916\u306e\u8208\u5473\u306e\u7121\u3044\u8a00\u8a9e\u306e\u7ae0\u306b\u3064\u3044\u3066\u306f\u8aad\u307f\u98db\u3070\u3057\u3066\u554f\u984c\u7121\u3044\u3002<\/p>\n<p>\uff08\u6700\u5f8c\u306b\u7b46\u8005\u306e \u30dd\u30a8\u30e0 \u3082\u63b2\u8f09\u3057\u3066\u3044\u308b\u306e\u3067\u826f\u304b\u3063\u305f\u3089\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002\uff09<\/p>\n<h1>WebAssembly \u30b3\u30fc\u30c9\u306e\u6e96\u5099<\/h1>\n<p>\u524d\u56de\u540c\u69d8\u3001WebAssembly Text Format \u3067\u52d5\u4f5c\u78ba\u8a8d\u3092\u3059\u308b WebAssembly \u306e\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u3001wat2wasm \u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3002<\/p>\n<h2>wabt \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n<p>github \u306e README.md \u3092\u8aad\u3093\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3002<br \/>\nC++ \u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u74b0\u5883\u304c\u5fc5\u8981\u306a\u306e\u3067\u6ce8\u610f\u3002<\/p>\n<p>wat2wasm \u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u308b\u306e\u3067\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066 Path \u3092\u901a\u3057\u3066\u304a\u304f\u3068\u826f\u3044\u3060\u308d\u3046\u3002<\/p>\n<h2>wasm \u30d5\u30a1\u30a4\u30eb\u306e\u6e96\u5099<\/h2>\n<p>wasm \u30d5\u30a1\u30a4\u30eb\u3068\u306f\u3001WebAssembly \u306e\u898f\u683c\u306b\u6cbf\u3063\u305f\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u306e\u4e8b\u3067\u3042\u308b\u3002<br \/>\n\u6700\u521d\u306b\u5404\u7a2e\u8a00\u8a9e\u304b\u3089\u52d5\u304b\u3057\u3066\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e wasm \u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3057\u3088\u3046\u3002<\/p>\n<p>\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067\u4ee5\u4e0b\u306e\u69d8\u306a\u5185\u5bb9\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001 \/tmp\/import.wat \u3068\u3044\u3046\u540d\u524d\u3067\u4fdd\u5b58\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>(module\r\n  (import \"host\" \"display\" (func $inner_display (param i64 i64 i64)))\r\n\r\n  (func $inner_add (export \"add\") (param $a i64) (param $b i64) (result i64)\r\n    local.get $a\r\n    local.get $b\r\n    i64.add)\r\n\r\n  (func (export \"add_and_display\") (param $a i64) (param $b i64)\r\n    (local $answer i64)\r\n\r\n    ;; Call $inner_add\r\n    local.get $a\r\n    local.get $b\r\n    call $inner_add\r\n\r\n    ;; Call $inner_display\r\n    local.set $answer\r\n    local.get $a\r\n    local.get $b\r\n    local.get $answer\r\n    call $inner_display))\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306f WebAssembly Text Format \u3068\u3044\u3046 wasm \u30d5\u30a1\u30a4\u30eb\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3060\u3002<br \/>\n\u591a\u304f\u306e\u8aad\u8005\u306b\u5185\u5bb9\u3092\u4f55\u3068\u306a\u304f\u7406\u89e3\u3057\u3066\u3082\u3089\u3046\u306b\u306f\u3001\u3053\u308c\u304c\u826f\u3044\u3068\u601d\u3063\u3066\u9078\u629e\u3057\u305f\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e 3 \u500b\u306e\u4e8b\u3092\u884c\u3063\u3066\u3044\u308b\u3002<br \/>\n\u306a\u304a\u3001\u4e0b\u8a18\u306e i64 \u3068\u306f\u7b26\u53f7\u4ed8 64 bit \u6574\u6570\u306e\u4e8b\u3067\u3042\u308b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089 host.display \u3068\u3044\u3046\u7269\u3092 import \u3059\u308b\u3002\u3053\u308c\u306f\u95a2\u6570\u3067\u3042\u308a\u3001\u5f15\u6570\u306b i64 \u3092 3 \u500b\u53d6\u308a\u3001\u623b\u308a\u5024\u306f\u7121\u3044\u3002\u3053\u306e\u95a2\u6570\u306b\u3001\u3053\u306e wasm \u30d5\u30a1\u30a4\u30eb\u5185\u90e8\u304b\u3089 $inner_display \u3068\u3044\u3046\u540d\u524d\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u3053\u308c\u306f\u5f15\u6570\u306b i64 \u3092 2 \u500b\u53d6\u308a\u3001\u623b\u308a\u5024\u306f i64 1 \u500b\u3067\u3042\u308b\u3002\u3053\u306e\u95a2\u6570\u306f\u5916\u90e8\u304b\u3089 add \u3068\u3044\u3046\u540d\u524d\u3067\u30a2\u30af\u30bb\u30b9\u51fa\u6765\u308b\u3088\u3046\u306b\u516c\u958b\u3057\u3001\u3053\u306e wasm \u30d5\u30a1\u30a4\u30eb\u5185\u90e8\u304b\u3089 $inner_add \u3068\u3044\u3046\u540d\u524d\u3067\u30a2\u30af\u30bb\u30b9\u51fa\u6765\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u3053\u308c\u306f\u5f15\u6570\u306b i64 \u3092 2 \u500b\u53d6\u308a\u3001\u623b\u308a\u5024\u306f\u7121\u3044\u3002\u3053\u306e\u95a2\u6570\u306f\u5916\u90e8\u304b\u3089 add_and_display \u3068\u3044\u3046\u540d\u524d\u3067\u30a2\u30af\u30bb\u30b9\u51fa\u6765\u308b\u3088\u3046\u306b\u3059\u308b\u3002\uff08wasm \u30d5\u30a1\u30a4\u30eb\u5185\u90e8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u540d\u524d\u306f\u7279\u306b\u4ed8\u3051\u3066\u3044\u306a\u3044\u3002\u305f\u3060\u3057\u5185\u90e8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u629c\u3051\u9053\u306f\u5b58\u5728\u3059\u308b\u3002\uff09<\/ul>\n<p>\u5916\u90e8\u306e\u540d\u524d\u3068 wasm \u30d5\u30a1\u30a4\u30eb\u5185\u90e8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u540d\u524d\u3092\u5909\u66f4\u3057\u305f\u306e\u306f\u3001\u8aac\u660e\u306e\u90fd\u5408\u4e0a\u305d\u306e\u65b9\u304c\u5206\u304b\u308a\u3084\u3059\u3044\u3068\u601d\u3063\u305f\u304b\u3089\u3060\u3002\uff08\u666e\u901a\u306f\u540c\u3058\u540d\u524d\u306b\u3059\u308b\u3060\u308d\u3046\u3002\uff09<\/p>\n<p>\u95a2\u6570\u306e\u540d\u524d\u3084\u30b3\u30e1\u30f3\u30c8\u3067\u5206\u304b\u308b\u3068\u601d\u3046\u304c\u3001 add ($inner_add) \u306f\u5f15\u6570\u3092\u8db3\u3057\u7b97\u3057\u3066\u305d\u306e\u7d50\u679c\u3092\u8fd4\u3059\u3002<br \/>\nadd_and_display \u306f $inner_add \u306b\u5f15\u6570\u3092\u305d\u306e\u307e\u307e\u6e21\u3057\u3066\u5b9f\u884c\u3057\u305f\u5f8c\u3067\u3001\u5f15\u6570\u3068\u305d\u306e\u5b9f\u884c\u7d50\u679c\u3092 $inner_display \u306b\u6e21\u3057\u3066\u5b9f\u884c\u3059\u308b\u3002<\/p>\n<p>\u3053\u306e wat \u30d5\u30a1\u30a4\u30eb\u3092\u4ee5\u4e0b\u306e\u69d8\u306b wat2wasm \u30b3\u30de\u30f3\u30c9\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3068 \/tmp\/import.wasm \u3068\u3044\u3046\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u304c\u51fa\u6765\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>wat2wasm <span class=\"nt\">-o<\/span> \/tmp\/import.wasm \/tmp\/import.wat\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">ls<\/span> \/tmp\/import.wasm\r\n\/tmp\/import.wasm\r\n<\/code><\/pre>\n<h1>Vanilla JS \u304b\u3089\u5b9f\u884c<\/h1>\n<p>\u8aac\u660e\u306e\u90fd\u5408\u4e0a\u3001\u672c\u7ae0\u306f JavaScript \u306b\u8208\u5473\u306e\u7121\u3044\u4eba\u3067\u3082\u659c\u3081\u306b\u8aad\u3093\u3067\u6b32\u3057\u3044\u3002<\/p>\n<h2>\u7b46\u8005\u306e JavaScript \u74b0\u5883<\/h2>\n<ul class=\"post-ul\">nodejs v18.16.1<\/ul>\n<h2>Vanilla JS \u306e\u30b3\u30fc\u30c9<\/h2>\n<p>nodejs \u304b\u3089 WebAssembly \u3092\u5b9f\u884c\u3059\u308b\u30b3\u30fc\u30c9\u306f\u3001\u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u69d8\u306b\u306a\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Build Module<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">fs<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">fs<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">fs<\/span><span class=\"p\">.<\/span><span class=\"nf\">readFileSync<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/tmp\/import.wasm<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">mod<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">WebAssembly<\/span><span class=\"p\">.<\/span><span class=\"nc\">Module<\/span><span class=\"p\">(<\/span><span class=\"nx\">wasm<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ Build Instance<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">importObject<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">host<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">display<\/span><span class=\"p\">:<\/span> <span class=\"p\">(<\/span><span class=\"nx\">a<\/span><span class=\"p\">,<\/span> <span class=\"nx\">b<\/span><span class=\"p\">,<\/span> <span class=\"nx\">answer<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"s2\">`<\/span><span class=\"p\">${<\/span><span class=\"nx\">a<\/span><span class=\"p\">}<\/span><span class=\"s2\"> + <\/span><span class=\"p\">${<\/span><span class=\"nx\">b<\/span><span class=\"p\">}<\/span><span class=\"s2\"> = <\/span><span class=\"p\">${<\/span><span class=\"nx\">answer<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">},<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">};<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">WebAssembly<\/span><span class=\"p\">.<\/span><span class=\"nc\">Instance<\/span><span class=\"p\">(<\/span><span class=\"nx\">mod<\/span><span class=\"p\">,<\/span> <span class=\"nx\">importObject<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ Call function add<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">add<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">instance<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">add<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">answer<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"nc\">BigInt<\/span><span class=\"p\">(<\/span><span class=\"mi\">6<\/span><span class=\"p\">),<\/span> <span class=\"nc\">BigInt<\/span><span class=\"p\">(<\/span><span class=\"mi\">12<\/span><span class=\"p\">));<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Call function add: <\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">`6 + 12 = <\/span><span class=\"p\">${<\/span><span class=\"nx\">answer<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ Call function add_and_display<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">add_and_display<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">instance<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">add_and_display<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Call function add_and_display<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nf\">add_and_display<\/span><span class=\"p\">(<\/span><span class=\"nc\">BigInt<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">),<\/span> <span class=\"nc\">BigInt<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30d5\u30a1\u30a4\u30eb\u3092 call_wasm.js \u3068\u3044\u3046\u540d\u524d\u3067\u4fdd\u5b58\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\u3001\u4e0b\u8a18\u306e\u69d8\u306a\u7d50\u679c\u3092\u5f97\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>node call_wasm.js\r\nCall <span class=\"k\">function <\/span>add:  6 + 12 <span class=\"o\">=<\/span> 18\r\nCall <span class=\"k\">function <\/span>add_and_display\r\n5 + 3 <span class=\"o\">=<\/span> 8\r\n<\/code><\/pre>\n<p>JavaScript \u306e\u30b3\u30fc\u30c9\u306f \u7b2c\uff11\u56de \u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3060\u3002<br \/>\n\u6700\u521d\u306b\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Build Module<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">fs<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">fs<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">fs<\/span><span class=\"p\">.<\/span><span class=\"nf\">readFileSync<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/tmp\/import.wasm<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">mod<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">WebAssembly<\/span><span class=\"p\">.<\/span><span class=\"nc\">Module<\/span><span class=\"p\">(<\/span><span class=\"nx\">wasm<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306b\u304a\u3044\u3066\u3001wasm \u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u4ee5\u5916\u306f \u7b2c\uff11\u56de \u3068\u5168\u304f\u540c\u3058\u3067\u3042\u308b\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Build Instance<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">importObject<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">host<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">display<\/span><span class=\"p\">:<\/span> <span class=\"p\">(<\/span><span class=\"nx\">a<\/span><span class=\"p\">,<\/span> <span class=\"nx\">b<\/span><span class=\"p\">,<\/span> <span class=\"nx\">answer<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"s2\">`<\/span><span class=\"p\">${<\/span><span class=\"nx\">a<\/span><span class=\"p\">}<\/span><span class=\"s2\"> + <\/span><span class=\"p\">${<\/span><span class=\"nx\">b<\/span><span class=\"p\">}<\/span><span class=\"s2\"> = <\/span><span class=\"p\">${<\/span><span class=\"nx\">answer<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">},<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">};<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">WebAssembly<\/span><span class=\"p\">.<\/span><span class=\"nc\">Instance<\/span><span class=\"p\">(<\/span><span class=\"nx\">mod<\/span><span class=\"p\">,<\/span> <span class=\"nx\">importObject<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3082 \u7b2c\uff11\u56de \u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3060\u304c\u3001 importObject \u304c\u7a7a\u3067\u306f\u7121\u3044\u3002<\/p>\n<p>\u79c1\u9054\u306e\u4f5c\u6210\u3057\u305f wasm \u30d5\u30a1\u30a4\u30eb\u3067\u306f\u3001host.display \u3068\u3044\u3046\u540d\u524d\u3067\u5f15\u6570\u306b i64 \u3092 3 \u500b\u53d6\u308b\u95a2\u6570\u3092 import \u3057\u3066\u3044\u305f\u3002<br \/>\n\u306a\u306e\u3067 WebAssembly.Instance \u306e 2 \u756a\u76ee\u306e\u5f15\u6570\u306b .host.display \u3067\u4e0a\u8a18\u306e\u69d8\u306a\u95a2\u6570\u3092\u53d6\u5f97\u3067\u304d\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6e21\u3057\u3066\u3044\u308b\u3002<br \/>\n\uff08 \u7b2c\uff11\u56de \u3067\u306f\u4f55\u3082 import \u3057\u306a\u304b\u3063\u305f\u306e\u3067 importObject \u306f\u7a7a {} \u3060\u3063\u305f\u3002\uff09<\/p>\n<p>wasm \u30d5\u30a1\u30a4\u30eb\u306e i64 \u306f JavaScript \u3067\u306f BigInt \u306b\u5bfe\u5fdc\u3059\u308b\u306e\u3067\u3001 importObject.host.display \u306e\u5f15\u6570\u306f 3 \u500b\u3068\u3082 BigInt \u304c\u6e21\u3055\u308c\u308b\u3068\u60f3\u5b9a\u3055\u308c\u308b\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Call function add<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">add<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">instance<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">add<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">answer<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"nc\">BigInt<\/span><span class=\"p\">(<\/span><span class=\"mi\">6<\/span><span class=\"p\">),<\/span> <span class=\"nc\">BigInt<\/span><span class=\"p\">(<\/span><span class=\"mi\">12<\/span><span class=\"p\">));<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Call function add: <\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">`6 + 12 = <\/span><span class=\"p\">${<\/span><span class=\"nx\">answer<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f \u7b2c\uff11\u56de \u3068\u5168\u304f\u540c\u3058\u65b9\u6cd5\u3067\u95a2\u6570 add \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<br \/>\n\u3053\u306e\u30b3\u30fc\u30c9\u306f add_and_display \u5b9f\u884c\u3068\u306e\u6bd4\u8f03\u306e\u305f\u3081\u306b\u8a18\u8ff0\u3057\u305f\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ Call function add_and_display<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">add_and_display<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">instance<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span><span class=\"p\">.<\/span><span class=\"nx\">add_and_display<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Call function add_and_display<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nf\">add_and_display<\/span><span class=\"p\">(<\/span><span class=\"nc\">BigInt<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">),<\/span> <span class=\"nc\">BigInt<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f\u95a2\u6570 add \u3068\u540c\u69d8\u306e\u65b9\u6cd5\u3067\u95a2\u6570 add_and_display \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<br \/>\n\u9055\u3044\u306f add_and_display \u304c\u5185\u90e8\u3067 importObject.host.display \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u306e\u3067\u3001JavaScript \u3067\u4f55\u3082\u3057\u306a\u304f\u3068\u3082\u5b9f\u884c\u6642\u306b 5 + 3 = 8 \u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3060\u3002<\/p>\n<h1>wasmtime \u304b\u3089\u5b9f\u884c<\/h1>\n<p>\u672c\u7ae0\u306f wasmtime \u3092\u4f7f\u3046\u306b\u3042\u305f\u3063\u3066 Rust, Python, Ruby \u3067\u5171\u901a\u306e\u8aac\u660e\u3067\u3042\u308b\u3002<br \/>\n\uff08 \u592a\u5b57\u30ea\u30f3\u30af \u306f wasmtime \u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30af\u30e9\u30b9\u540d\u3067\u3042\u308b\u4e8b\u3092\u793a\u3057\u3001\u300c\u4f5c\u6210\u300d\u3068\u306f\u305d\u306e\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4f5c\u6210\u306e\u4e8b\u3067\u3042\u308b\u3002\u30ea\u30f3\u30af\u5148\u306f\u4fbf\u5b9c\u4e0a Rust \u7528\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u6307\u3057\u3066\u3044\u308b\u3002\uff09<\/p>\n<p>JavaScript \u304b\u3089 wasm \u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u306f \u7b2c\uff11\u56de \u3068\u307b\u3068\u3093\u3069\u540c\u3058\u624b\u9806\u3060\u3063\u305f\u304c\u3001wasmtime \u304b\u3089\u5b9f\u884c\u3059\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e 2 \u70b9\u306b\u6c17\u3092\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u6709\u308b\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u95a2\u6570\u3092 wasm \u30d5\u30a1\u30a4\u30eb\u304b\u3089 import \u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4e8b\u524d\u306b\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u95a2\u6570\u3092 Func \u3067\u30e9\u30c3\u30d7\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/ol>\n<\/li>\n<\/ol>\n<p>Instance \u3092\u30d3\u30eb\u30c9\u3059\u308b\u969b\u306b\u30d3\u30eb\u30c0\u30fc\u30af\u30e9\u30b9\u306e Linker \u3092\u4f7f\u7528\u3059\u308b\u3068\u4fbf\u5229<\/p>\n<p>\u4ee5\u964d\u306e\u7ae0\u3067\u306f wasmtime \u3092\u4f7f\u3063\u3066 Rust \u304b\u3089\u5b9f\u884c, Python \u304b\u3089\u5b9f\u884c, Ruby \u304b\u3089\u5b9f\u884c \u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u305d\u308c\u305e\u308c\u8aac\u660e\u3057\u3066\u3044\u308b\u3002<br \/>\n\u4e0d\u8981\u306a\u7ae0\u306f\u8aad\u307f\u98db\u3070\u3057\u3066\u3082\u5927\u4e08\u592b\u3060\u3002<\/p>\n<h2>Rust \u304b\u3089\u5b9f\u884c<\/h2>\n<h3>\u7b46\u8005\u306e Rust \u74b0\u5883<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">cargo 1.70.0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">rustup 1.26.0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">rustc 1.70.0 stable-x86_64-unknown-linux-gnu<\/ul>\n<h3>Rust \u306e\u30b3\u30fc\u30c9<\/h3>\n<p>\u4e0b\u8a18\u306e\u69d8\u306b call_import \u3068\u3044\u3046\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cargo new call_import\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">cd <\/span>call_import\r\n<\/code><\/pre>\n<p>Cargo.toml \u306e [dependencies] \u30bb\u30af\u30b7\u30e7\u30f3\u306b wasmtime \u3092\u306e\u8a2d\u5b9a\u3092\u52a0\u3048\u308b\u3002<br \/>\n\u7b46\u8005\u306e\u74b0\u5883\u3067\u306f Cargo.toml \u306f\u4e0b\u8a18\u306e\u69d8\u306b\u306a\u3063\u305f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nn\">[package]<\/span>\r\n<span class=\"py\">name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"call_import\"<\/span>\r\n<span class=\"py\">version<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"0.1.0\"<\/span>\r\n<span class=\"py\">edition<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"2021\"<\/span>\r\n\r\n<span class=\"c\"># See more keys and their definitions at https:\/\/doc.rust-lang.org\/cargo\/reference\/manifest.html<\/span>\r\n\r\n<span class=\"nn\">[dependencies]<\/span>\r\n<span class=\"py\">wasmtime<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"10.0.1\"<\/span>\r\n<\/code><\/pre>\n<p>Rust \u304b\u3089 WebAssembly \u3092\u5b9f\u884c\u3059\u308b\u30b3\u30fc\u30c9\u306f\u3001\u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u69d8\u306b\u306a\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"n\">fs<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">wasmtime<\/span><span class=\"p\">::<\/span><span class=\"o\">*<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nn\">wasmtime<\/span><span class=\"p\">::<\/span><span class=\"nb\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">()<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ Build `Engine`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">engine<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Engine<\/span><span class=\"p\">::<\/span><span class=\"nf\">default<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Build `Module`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">fs<\/span><span class=\"p\">::<\/span><span class=\"nf\">read<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/tmp\/import.wasm\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">module<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Module<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">engine<\/span><span class=\"p\">,<\/span> <span class=\"n\">wasm<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Build `Store`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">store<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Store<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">engine<\/span><span class=\"p\">,<\/span> <span class=\"p\">());<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Create function `display`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">display<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Func<\/span><span class=\"p\">::<\/span><span class=\"nf\">wrap<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"p\">|<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">:<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"p\">:<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">|<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{} + {} = {}\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">answer<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">});<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Build `Instance`. (`Linker` is builder class.)<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">linker<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Linker<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">engine<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">linker<\/span><span class=\"nf\">.define<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"host\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"display\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">display<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"n\">linker<\/span><span class=\"nf\">.instantiate<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">module<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Call function `add`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">add<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"py\">.get_typed_func<\/span><span class=\"p\">::<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(<\/span><span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">),<\/span> <span class=\"nb\">i64<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"add\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">answer<\/span> <span class=\"o\">=<\/span> <span class=\"n\">add<\/span><span class=\"nf\">.call<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"mi\">6<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">))<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Call function add: 6 + 12 = {}\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">answer<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Call function `add_and_display`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">add_and_display<\/span> <span class=\"o\">=<\/span>\r\n        <span class=\"n\">instance<\/span><span class=\"py\">.get_typed_func<\/span><span class=\"p\">::<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(<\/span><span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">),<\/span> <span class=\"p\">()<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"add_and_display\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Call function add_and_display\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">add_and_display<\/span><span class=\"nf\">.call<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">))<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u5185\u5bb9\u3067 src\/main.rs \u3092\u4e0a\u66f8\u304d\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\u3001\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u69d8\u306b\u306a\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>cargo run\r\n    Finished dev <span class=\"o\">[<\/span>unoptimized + debuginfo] target<span class=\"o\">(<\/span>s<span class=\"o\">)<\/span> <span class=\"k\">in <\/span>0.04s\r\n     Running <span class=\"sb\">`<\/span>target\/debug\/call_import<span class=\"sb\">`<\/span>\r\nCall <span class=\"k\">function <\/span>add: 6 + 12 <span class=\"o\">=<\/span> 18\r\nCall <span class=\"k\">function <\/span>add_and_display\r\n5 + 3 <span class=\"o\">=<\/span> 8\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e Rust \u30b3\u30fc\u30c9\u3092\u5c11\u3057\u305a\u3064\u89e3\u8aac\u3057\u3066\u3044\u304f\u3002<br \/>\n\u307e\u305a\u306f\u30b3\u30fc\u30c9\u306e\u5168\u4f53\u50cf\u3092\u628a\u63e1\u3057\u3088\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"n\">fs<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">wasmtime<\/span><span class=\"p\">::<\/span><span class=\"o\">*<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nn\">wasmtime<\/span><span class=\"p\">::<\/span><span class=\"nb\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">()<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n<span class=\"o\">...<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u898b\u3066\u306e\u901a\u308a\u3001\u672c\u30b3\u30fc\u30c9\u306f main \u95a2\u6570\u304c\u5b9a\u7fa9\u3057\u3066\u3042\u308b\u3060\u3051\u3067\u3042\u308b\u3002<br \/>\n\u4ee5\u4e0b\u3001main \u95a2\u6570\u306e\u4e2d\u8eab\u3092\u4e0a\u304b\u3089\u5c11\u3057\u305a\u3064\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<p>\u6700\u521d\u306b\u5c11\u3057\u307e\u3068\u3081\u3066\u8aad\u3093\u3067\u307f\u3088\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c1\">\/\/ Build `Engine`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">engine<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Engine<\/span><span class=\"p\">::<\/span><span class=\"nf\">default<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Build `Module`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">fs<\/span><span class=\"p\">::<\/span><span class=\"nf\">read<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/tmp\/import.wasm\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">module<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Module<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">engine<\/span><span class=\"p\">,<\/span> <span class=\"n\">wasm<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Build `Store`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">store<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Store<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">engine<\/span><span class=\"p\">,<\/span> <span class=\"p\">());<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u90e8\u5206\u306f wasm \u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u4ee5\u5916 \u7b2c\uff11\u56de \u3068\u5168\u304f\u540c\u3058\u3067\u3042\u308b\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c1\">\/\/ Create function `display`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">display<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Func<\/span><span class=\"p\">::<\/span><span class=\"nf\">wrap<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"p\">|<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">:<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"p\">:<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">|<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{} + {} = {}\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">answer<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f wasm \u30d5\u30a1\u30a4\u30eb\u3067 import \u3059\u308b\u305f\u3081\u306b Func \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\u3002<br \/>\nJavaScript \u3068\u7570\u306a\u308a wasmtime \u3067\u306f\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\uff08\u4eca\u56de\u306f Rust\uff09\u306e\u95a2\u6570\u3092\u305d\u306e\u307e\u307e wasm \u30d5\u30a1\u30a4\u30eb\u306b\u6e21\u3059\u4e8b\u306f\u51fa\u6765\u306a\u3044\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c1\">\/\/ Build `Instance`. (`Linker` is builder class.)<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">linker<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Linker<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">engine<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">linker<\/span><span class=\"nf\">.define<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"host\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"display\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">display<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"n\">linker<\/span><span class=\"nf\">.instantiate<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">module<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u7b2c\uff11\u56de \u306f wasm \u30d5\u30a1\u30a4\u30eb\u304c\u4f55\u3082 import \u3057\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210\u306f<br \/>\nlet instance = Instance::new(&amp;mut store, &amp;module, &amp;[])?;<br \/>\n\u3068\u3044\u3046\u4e00\u884c\u3067\u6e08\u3093\u3060\u3002\uff08import \u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066 &amp;[] \u3092\u6e21\u3057\u3066\u3044\u308b\u3002\uff09<\/p>\n<p>\u4eca\u56de\u3082\u540c\u69d8\u306e\u65b9\u6cd5\u3067 Instance \u3092\u4f5c\u6210\u3057\u3066\u3082\u826f\u3044\u306e\u3060\u304c\u3001import \u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u4e8b\u304c\u5c11\u3005\u9762\u5012\u3060\u3002<br \/>\n\uff08 wasmtime \u306e\u30b3\u30a2\u90e8\u5206\u306f\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u306e Rust \u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002JavaScript \u306e\u5834\u5408\u306f .host.display \u3068\u3044\u3046\u540d\u524d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7c21\u5358\u306b\u4f5c\u6210\u3067\u304d\u308b\u304c\u3001\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u306b\u5bfe\u5fdc\u3059\u308b\u4e8b\u3092\u8003\u616e\u306e\u4e0a\u3067\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u306e Rust \u7d4c\u7531\u3057\u3066\u9023\u60f3\u914d\u5217\u306e\u5165\u308c\u5b50\u306e\u69d8\u3092\u6e21\u3059\u306e\u306f\u5c11\u3005\u9762\u5012\u3067\u3042\u308b\u3002\uff09<\/p>\n<p>\u305d\u3053\u3067\u30d3\u30eb\u30c0\u30fc\u3067\u3042\u308b Linker \u3092\u4f7f\u3063\u3066 Instance \u3092\u4f5c\u6210\u3059\u308b\u3002<br \/>\nLinke \u3067\u306f\u30e1\u30bd\u30c3\u30c9 define \u3092\u7e70\u308a\u8fd4\u3057\u4f7f\u3046\u4e8b\u306b\u3088\u3063\u3066\uff08\u95a2\u6570\u3060\u3051\u3067\u306a\u304f\uff09\u8907\u6570\u306e\u30a2\u30a4\u30c6\u30e0\u3092 wasm \u30d5\u30a1\u30a4\u30eb\u3067 import \u3067\u304d\u308b\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c1\">\/\/ Call function `add`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">add<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"py\">.get_typed_func<\/span><span class=\"p\">::<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(<\/span><span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">),<\/span> <span class=\"nb\">i64<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"add\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">answer<\/span> <span class=\"o\">=<\/span> <span class=\"n\">add<\/span><span class=\"nf\">.call<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"mi\">6<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">))<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Call function add: 6 + 12 = {}\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">answer<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f \u7b2c\uff11\u56de \u3068\u5168\u304f\u540c\u3058\u65b9\u6cd5\u3067\u95a2\u6570 add \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<br \/>\n\u3053\u306e\u30b3\u30fc\u30c9\u306f add_and_display \u3068\u306e\u6bd4\u8f03\u306e\u305f\u3081\u306b\u8a18\u8ff0\u3057\u305f\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c1\">\/\/ Call function `add_and_display`<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">add_and_display<\/span> <span class=\"o\">=<\/span>\r\n        <span class=\"n\">instance<\/span><span class=\"py\">.get_typed_func<\/span><span class=\"p\">::<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(<\/span><span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">),<\/span> <span class=\"p\">()<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"add_and_display\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Call function add_and_display\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">add_and_display<\/span><span class=\"nf\">.call<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">))<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f\u95a2\u6570 add \u3068\u540c\u69d8\u306e\u65b9\u6cd5\u3067\u95a2\u6570 add_and_display \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<br \/>\n\u9055\u3044\u306f add_and_display \u304c\u5185\u90e8\u3067 host.display \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u306e\u3067\u3001Rust \u3067\u4f55\u3082\u3057\u306a\u304f\u3068\u3082\u5b9f\u884c\u6642\u306b 5 + 3 = 8 \u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3060\u3002<\/p>\n<h2>Python \u304b\u3089\u5b9f\u884c<\/h2>\n<h3>\u7b46\u8005\u306e Python \u74b0\u5883<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Python 3.11.2<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">pip 23.0.1<\/ul>\n<h3>Python \u306e\u30b3\u30fc\u30c9<\/h3>\n<p>\u6700\u521d\u306b Python \u306e version \u3068\u74b0\u5883\u306b\u5fdc\u3058\u305f\u65b9\u6cd5\u3067 wasmtime \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>pip <span class=\"nb\">install <\/span>wasmtime\r\nCollecting wasmtime\r\n  Downloading wasmtime-9.0.0-py3-none-manylinux1_x86_64.whl <span class=\"o\">(<\/span>6.6 MB<span class=\"o\">)<\/span>\r\n     \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 6.6\/6.6 MB 2.1 MB\/s eta 0:00:00\r\nInstalling collected packages: wasmtime\r\nSuccessfully installed wasmtime-9.0.0\r\n<\/code><\/pre>\n<p>Python \u304b\u3089 WebAssembly \u3092\u5b9f\u884c\u3059\u308b\u30b3\u30fc\u30c9\u306f\u3001\u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u69d8\u306b\u306a\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"n\">wasmtime<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Engine<\/span><span class=\"p\">,<\/span> <span class=\"n\">Func<\/span><span class=\"p\">,<\/span> <span class=\"n\">FuncType<\/span><span class=\"p\">,<\/span> <span class=\"n\">Linker<\/span><span class=\"p\">,<\/span> <span class=\"n\">Module<\/span><span class=\"p\">,<\/span> <span class=\"n\">Store<\/span><span class=\"p\">,<\/span> <span class=\"n\">ValType<\/span>\r\n\r\n<span class=\"c1\"># Build Engine.\r\n<\/span><span class=\"n\">engine<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Engine<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"c1\"># Build Module.\r\n<\/span><span class=\"n\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">open<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">\/tmp\/import.wasm<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span> <span class=\"sh\">'<\/span><span class=\"s\">rb<\/span><span class=\"sh\">'<\/span><span class=\"p\">).<\/span><span class=\"nf\">read<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">module<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Module<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">,<\/span> <span class=\"n\">wasm<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Build Store.\r\n<\/span><span class=\"n\">store<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Store<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Define function display\r\n<\/span><span class=\"n\">i64<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ValType<\/span><span class=\"p\">.<\/span><span class=\"nf\">i64<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">display<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Func<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"nc\">FuncType<\/span><span class=\"p\">([<\/span><span class=\"n\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">i64<\/span><span class=\"p\">],<\/span> <span class=\"p\">[]),<\/span> <span class=\"k\">lambda<\/span> <span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"p\">:<\/span> <span class=\"nf\">print<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"sh\">\"<\/span><span class=\"s\">%d + %d = %d<\/span><span class=\"sh\">\"<\/span> <span class=\"o\">%<\/span> <span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"p\">)))<\/span>\r\n\r\n<span class=\"c1\"># Build Instance. (Linker is builder class.)\r\n<\/span><span class=\"n\">linker<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Linker<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">define<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">host<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">display<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">display<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"n\">linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">instantiate<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"n\">module<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Call function add\r\n<\/span><span class=\"n\">add<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">exports<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">)[<\/span><span class=\"sh\">'<\/span><span class=\"s\">add<\/span><span class=\"sh\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">answer<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"mi\">6<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nf\">print<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">Call function add: 6 + 12 = %d<\/span><span class=\"sh\">\"<\/span> <span class=\"o\">%<\/span> <span class=\"n\">answer<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Call function add_and_display\r\n<\/span><span class=\"n\">add_and_display<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">exports<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">)[<\/span><span class=\"sh\">'<\/span><span class=\"s\">add_and_display<\/span><span class=\"sh\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"nf\">print<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">Call function add_and_display<\/span><span class=\"sh\">\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nf\">add_and_display<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u5185\u5bb9\u3092 call_wasm.py \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3059\u308b\u3068\u3001\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u69d8\u306b\u306a\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python call_wasm.py\r\nCall <span class=\"k\">function <\/span>add: 6 + 12 <span class=\"o\">=<\/span> 18\r\nCall <span class=\"k\">function <\/span>add_and_display\r\n5 + 3 <span class=\"o\">=<\/span> 8\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e Python \u30b3\u30fc\u30c9\u3092\u5c11\u3057\u305a\u3064\u89e3\u8aac\u3057\u3066\u3044\u304f\u3002<br \/>\n\u4ee5\u4e0b\u3067\u306f \u592a\u5b57\u306e\u30ea\u30f3\u30af \u306f wasmtime \u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30af\u30e9\u30b9\u3067\u3042\u308b\u4e8b\u3092\u793a\u3059\u3002\u30ea\u30f3\u30af\u5148\u306f Python \u7248 wasmtime \u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u3067\u3042\u308b\u3002<\/p>\n<p>\u6700\u521d\u306b\u5c11\u3057\u307e\u3068\u3081\u3066\u8aad\u3093\u3067\u307f\u3088\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Build Engine.\r\n<\/span><span class=\"n\">engine<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Engine<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"c1\"># Build Module.\r\n<\/span><span class=\"n\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">open<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">\/tmp\/import.wasm<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span> <span class=\"sh\">'<\/span><span class=\"s\">rb<\/span><span class=\"sh\">'<\/span><span class=\"p\">).<\/span><span class=\"nf\">read<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">module<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Module<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">,<\/span> <span class=\"n\">wasm<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Build Store.\r\n<\/span><span class=\"n\">store<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Store<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u90e8\u5206\u306f wasm \u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u4ee5\u5916 \u7b2c\uff11\u56de \u3068\u5168\u304f\u540c\u3058\u3067\u3042\u308b\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Define function display\r\n<\/span><span class=\"n\">i64<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ValType<\/span><span class=\"p\">.<\/span><span class=\"nf\">i64<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">display<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Func<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"nc\">FuncType<\/span><span class=\"p\">([<\/span><span class=\"n\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">i64<\/span><span class=\"p\">],<\/span> <span class=\"p\">[]),<\/span> <span class=\"k\">lambda<\/span> <span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"p\">:<\/span> <span class=\"nf\">print<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"sh\">\"<\/span><span class=\"s\">%d + %d = %d<\/span><span class=\"sh\">\"<\/span> <span class=\"o\">%<\/span> <span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"p\">)))<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f wasm \u30d5\u30a1\u30a4\u30eb\u3067 import \u3059\u308b\u305f\u3081\u306b Func \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\u3002<br \/>\nJavaScript \u3068\u7570\u306a\u308a wasmtime \u3067\u306f\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\uff08\u4eca\u56de\u306f Python\uff09\u306e\u95a2\u6570\u3092\u305d\u306e\u307e\u307e wasm \u30d5\u30a1\u30a4\u30eb\u306b\u6e21\u3059\u4e8b\u306f\u51fa\u6765\u306a\u3044\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Build Instance. (Linker is builder class.)\r\n<\/span><span class=\"n\">linker<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Linker<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">define<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">host<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">display<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">display<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"n\">linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">instantiate<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"n\">module<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u7b2c\uff11\u56de \u306f wasm \u30d5\u30a1\u30a4\u30eb\u304c\u4f55\u3082 import \u3057\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210\u306f<br \/>\ninstance = Instance(store, module, ())<br \/>\n\u3068\u3044\u3046\u4e00\u884c\u3067\u6e08\u3093\u3060\u3002\uff08import \u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066 () \u3092\u6e21\u3057\u3066\u3044\u308b\u3002\uff09<\/p>\n<p>\u4eca\u56de\u3082\u540c\u69d8\u306e\u65b9\u6cd5\u3067 Instance \u3092\u4f5c\u6210\u3057\u3066\u3082\u826f\u3044\u306e\u3060\u304c\u3001import \u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u4e8b\u304c\u5c11\u3005\u9762\u5012\u3060\u3002<br \/>\n\uff08 wasmtime \u306e\u30b3\u30a2\u90e8\u5206\u306f\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u306e Rust \u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\nJavaScript \u306e\u5834\u5408\u306f .host.display \u3068\u3044\u3046\u540d\u524d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7c21\u5358\u306b\u4f5c\u6210\u3067\u304d\u308b\u304c\u3001\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u306b\u5bfe\u5fdc\u3059\u308b\u4e8b\u3092\u8003\u616e\u306e\u4e0a\u3067\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u306e Rust \u7d4c\u7531\u3057\u3066\u9023\u60f3\u914d\u5217\u306e\u5165\u308c\u5b50\u306e\u69d8\u3092\u6e21\u3059\u306e\u306f\u5c11\u3005\u9762\u5012\u3067\u3042\u308b\u3002\uff09<\/p>\n<p>\u305d\u3053\u3067\u30d3\u30eb\u30c0\u30fc\u3067\u3042\u308b Linker \u3092\u4f7f\u3063\u3066 Instance \u3092\u4f5c\u6210\u3059\u308b\u3002<br \/>\nLinke \u3067\u306f\u30e1\u30bd\u30c3\u30c9 define \u3092\u7e70\u308a\u8fd4\u3057\u4f7f\u3046\u4e8b\u306b\u3088\u3063\u3066\uff08\u95a2\u6570\u3060\u3051\u3067\u306a\u304f\uff09\u8907\u6570\u306e\u30a2\u30a4\u30c6\u30e0\u3092 wasm \u30d5\u30a1\u30a4\u30eb\u3067 import \u3067\u304d\u308b\u3002<\/p>\n<p>\u86c7\u8db3\u3060\u304c Python \u7248\u306e Linker \u3067\u306f Func \u306e\u4f5c\u6210\u304b\u3089 define \u307e\u3067\u3092 1 \u30b9\u30c6\u30c3\u30d7\u3067\u884c\u3046 define_func \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3082\u5b58\u5728\u3059\u308b\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Call function add\r\n<\/span><span class=\"n\">add<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">exports<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">)[<\/span><span class=\"sh\">'<\/span><span class=\"s\">add<\/span><span class=\"sh\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">answer<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"mi\">6<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nf\">print<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">Call function add: 6 + 12 = %d<\/span><span class=\"sh\">\"<\/span> <span class=\"o\">%<\/span> <span class=\"n\">answer<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f \u7b2c\uff11\u56de \u3068\u5168\u304f\u540c\u3058\u65b9\u6cd5\u3067\u95a2\u6570 add \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<br \/>\n\u3053\u306e\u30b3\u30fc\u30c9\u306f add_and_display \u3068\u306e\u6bd4\u8f03\u306e\u305f\u3081\u306b\u8a18\u8ff0\u3057\u305f\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Call function add_and_display\r\n<\/span><span class=\"n\">add_and_display<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">exports<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">)[<\/span><span class=\"sh\">'<\/span><span class=\"s\">add_and_display<\/span><span class=\"sh\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"nf\">print<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">Call function add_and_display<\/span><span class=\"sh\">\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nf\">add_and_display<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f\u95a2\u6570 add \u3068\u540c\u69d8\u306e\u65b9\u6cd5\u3067\u95a2\u6570 add_and_display \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<br \/>\n\u9055\u3044\u306f add_and_display \u304c\u5185\u90e8\u3067 host.display \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u306e\u3067\u3001Python \u3067\u4f55\u3082\u3057\u306a\u304f\u3068\u3082\u5b9f\u884c\u6642\u306b 5 + 3 = 8 \u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3060\u3002<\/p>\n<h2>Ruby \u304b\u3089\u5b9f\u884c<\/h2>\n<h3>\u7b46\u8005\u306e Ruby \u74b0\u5883<\/h3>\n<ul class=\"post-ul\">ruby 3.1.2p20<\/ul>\n<h3>Ruby \u306e\u30b3\u30fc\u30c9<\/h3>\n<p>\u6700\u521d\u306b gem \u3067 wasmtime \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<br \/>\n\uff08\u5fc5\u8981\u306b\u5fdc\u3058\u3066 bundler \u7b49\u3092\u4f7f\u3046\u3068\u826f\u3044\u3060\u308d\u3046\u3002\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>gem <span class=\"nb\">install <\/span>wasmtime\r\nFetching wasmtime-9.0.1-x86_64-linux.gem\r\nSuccessfully installed wasmtime-9.0.1-x86_64-linux\r\nParsing documentation <span class=\"k\">for <\/span>wasmtime-9.0.1-x86_64-linux\r\nInstalling ri documentation <span class=\"k\">for <\/span>wasmtime-9.0.1-x86_64-linux\r\nDone installing documentation <span class=\"k\">for <\/span>wasmtime after 0 seconds\r\n1 gem installed\r\n<\/code><\/pre>\n<p>Ruby \u304b\u3089 WebAssembly \u3092\u5b9f\u884c\u3059\u308b\u30b3\u30fc\u30c9\u306f\u3001\u4f8b\u3048\u3070\u4e0b\u8a18\u306e\u69d8\u306b\u306a\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'wasmtime'<\/span>\r\n\r\n<span class=\"c1\"># Build Engine<\/span>\r\n<span class=\"n\">engine<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Engine<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span>\r\n\r\n<span class=\"c1\"># Build Module<\/span>\r\n<span class=\"n\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">open<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\/tmp\/import.wasm'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'rb'<\/span><span class=\"p\">).<\/span><span class=\"nf\">read<\/span>\r\n<span class=\"n\">mod<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Module<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">,<\/span> <span class=\"n\">wasm<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Build Store<\/span>\r\n<span class=\"n\">store<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Store<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Define function display<\/span>\r\n<span class=\"nb\">display<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Func<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"ss\">:i64<\/span><span class=\"p\">,<\/span> <span class=\"ss\">:i64<\/span><span class=\"p\">,<\/span> <span class=\"ss\">:i64<\/span><span class=\"p\">],<\/span> <span class=\"p\">[])<\/span> <span class=\"p\">{<\/span> <span class=\"o\">|<\/span><span class=\"n\">_caller<\/span><span class=\"p\">,<\/span> <span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"o\">|<\/span>\r\n    <span class=\"nb\">puts<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"%d + %d = %d\"<\/span> <span class=\"o\">%<\/span> <span class=\"p\">[<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"p\">])<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\"># Build instance (Linker is builder Class)<\/span>\r\n<span class=\"n\">linker<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">define<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"host\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"display\"<\/span><span class=\"p\">,<\/span> <span class=\"nb\">display<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"n\">linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">instantiate<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"n\">mod<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Call function add<\/span>\r\n<span class=\"n\">add<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">export<\/span><span class=\"p\">(<\/span><span class=\"s1\">'add'<\/span><span class=\"p\">).<\/span><span class=\"nf\">to_func<\/span>\r\n<span class=\"n\">answer<\/span> <span class=\"o\">=<\/span> <span class=\"n\">add<\/span><span class=\"p\">.<\/span><span class=\"nf\">call<\/span><span class=\"p\">(<\/span><span class=\"mi\">6<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nb\">puts<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Call function add: 6 + 12 = %d\"<\/span> <span class=\"o\">%<\/span> <span class=\"n\">answer<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Call function add_and_display<\/span>\r\n<span class=\"n\">add_and_display<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">export<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"add_and_display\"<\/span><span class=\"p\">).<\/span><span class=\"nf\">to_func<\/span>\r\n<span class=\"nb\">puts<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Call function add_and_display\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">add_and_display<\/span><span class=\"p\">.<\/span><span class=\"nf\">call<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">)<\/span>                      \r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u5185\u5bb9\u3092 call_wasm.rb \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3059\u308b\u3068\u3001\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u69d8\u306b\u306a\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>Call <span class=\"k\">function <\/span>add: 6 + 12 <span class=\"o\">=<\/span> 18\r\nCall <span class=\"k\">function <\/span>add_and_display\r\n5 + 3 <span class=\"o\">=<\/span> 8\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e Ruby \u30b3\u30fc\u30c9\u3092\u5c11\u3057\u305a\u3064\u89e3\u8aac\u3057\u3066\u3044\u304f\u3002<br \/>\n\u4ee5\u4e0b\u3067\u306f \u592a\u5b57\u306e\u30ea\u30f3\u30af \u306f wasmtime \u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30af\u30e9\u30b9\u3067\u3042\u308b\u4e8b\u3092\u793a\u3059\u3002\u30ea\u30f3\u30af\u5148\u306f Ruby \u7248 wasmtime \u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u3067\u3042\u308b\u3002<\/p>\n<p>\u6700\u521d\u306b\u5c11\u3057\u307e\u3068\u3081\u3066\u8aad\u3093\u3067\u307f\u3088\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Build Engine<\/span>\r\n<span class=\"n\">engine<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Engine<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span>\r\n\r\n<span class=\"c1\"># Build Module<\/span>\r\n<span class=\"n\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">open<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\/tmp\/import.wasm'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'rb'<\/span><span class=\"p\">).<\/span><span class=\"nf\">read<\/span>\r\n<span class=\"n\">mod<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Module<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">,<\/span> <span class=\"n\">wasm<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\"># Build Store<\/span>\r\n<span class=\"n\">store<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Store<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u90e8\u5206\u306f wasm \u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u4ee5\u5916 \u7b2c\uff11\u56de \u3068\u5168\u304f\u540c\u3058\u3067\u3042\u308b\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Define function display<\/span>\r\n<span class=\"nb\">display<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Func<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"ss\">:i64<\/span><span class=\"p\">,<\/span> <span class=\"ss\">:i64<\/span><span class=\"p\">,<\/span> <span class=\"ss\">:i64<\/span><span class=\"p\">],<\/span> <span class=\"p\">[])<\/span> <span class=\"p\">{<\/span> <span class=\"o\">|<\/span><span class=\"n\">_caller<\/span><span class=\"p\">,<\/span> <span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"o\">|<\/span>\r\n    <span class=\"nb\">puts<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"%d + %d = %d\"<\/span> <span class=\"o\">%<\/span> <span class=\"p\">[<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">answer<\/span><span class=\"p\">])<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f wasm \u30d5\u30a1\u30a4\u30eb\u3067 import \u3059\u308b\u305f\u3081\u306b Func \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\u3002<br \/>\nJavaScript \u3068\u7570\u306a\u308a wasmtime \u3067\u306f\u5916\u90e8\u30d7\u30ed\u30b0\u30e9\u30e0\uff08\u4eca\u56de\u306f Ruby\uff09\u306e\u95a2\u6570\u3092\u305d\u306e\u307e\u307e wasm \u30d5\u30a1\u30a4\u30eb\u306b\u6e21\u3059\u4e8b\u306f\u51fa\u6765\u306a\u3044\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Build instance (Linker is builder Class)<\/span>\r\n<span class=\"n\">linker<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Wasmtime<\/span><span class=\"o\">::<\/span><span class=\"no\">Linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">engine<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">define<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"host\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"display\"<\/span><span class=\"p\">,<\/span> <span class=\"nb\">display<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">instance<\/span> <span class=\"o\">=<\/span> <span class=\"n\">linker<\/span><span class=\"p\">.<\/span><span class=\"nf\">instantiate<\/span><span class=\"p\">(<\/span><span class=\"n\">store<\/span><span class=\"p\">,<\/span> <span class=\"n\">mod<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u7b2c\uff11\u56de \u306f wasm \u30d5\u30a1\u30a4\u30eb\u304c\u4f55\u3082 import \u3057\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210\u306f<br \/>\ninstance = Wasmtime::Instance.new(store, mod)<br \/>\n\u3068\u3044\u3046\u4e00\u884c\u3067\u6e08\u3093\u3060\u3002\uff08import \u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u306e [] \u3092\u6e21\u3057\u3066\u3044\u308b\u3002\uff09<\/p>\n<p>\u4eca\u56de\u3082\u540c\u69d8\u306e\u65b9\u6cd5\u3067 Instance \u3092\u4f5c\u6210\u3057\u3066\u3082\u826f\u3044\u306e\u3060\u304c\u3001import \u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u4e8b\u304c\u5c11\u3005\u9762\u5012\u3060\u3002<br \/>\n\uff08 wasmtime \u306e\u30b3\u30a2\u90e8\u5206\u306f\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u306e Rust \u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002JavaScript \u306e\u5834\u5408\u306f .host.display \u3068\u3044\u3046\u540d\u524d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7c21\u5358\u306b\u4f5c\u6210\u3067\u304d\u308b\u304c\u3001\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u306b\u5bfe\u5fdc\u3059\u308b\u4e8b\u3092\u8003\u616e\u306e\u4e0a\u3067\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u306e Rust \u7d4c\u7531\u3057\u3066\u9023\u60f3\u914d\u5217\u306e\u5165\u308c\u5b50\u306e\u69d8\u3092\u6e21\u3059\u306e\u306f\u5c11\u3005\u9762\u5012\u3067\u3042\u308b\u3002\uff09<\/p>\n<p>\u305d\u3053\u3067\u30d3\u30eb\u30c0\u30fc\u3067\u3042\u308b Linker \u3092\u4f7f\u3063\u3066 Instance \u3092\u4f5c\u6210\u3059\u308b\u3002<br \/>\nLinke \u3067\u306f\u30e1\u30bd\u30c3\u30c9 define \u3092\u7e70\u308a\u8fd4\u3057\u4f7f\u3046\u4e8b\u306b\u3088\u3063\u3066\uff08\u95a2\u6570\u3060\u3051\u3067\u306a\u304f\uff09\u8907\u6570\u306e\u30a2\u30a4\u30c6\u30e0\u3092 wasm \u30d5\u30a1\u30a4\u30eb\u3067 import \u3067\u304d\u308b\u3002<\/p>\n<p>\u86c7\u8db3\u3060\u304c Ruby \u7248\u306e Linker \u3067\u306f Func \u3092\u4f5c\u6210\u3057\u3001\u6e21\u3059\u3068\u3053\u308d\u307e\u3067 1 \u30b9\u30c6\u30c3\u30d7\u3067\u884c\u3046 func_new \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3082\u5b58\u5728\u3059\u308b\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Call function add<\/span>\r\n<span class=\"n\">add<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">export<\/span><span class=\"p\">(<\/span><span class=\"s1\">'add'<\/span><span class=\"p\">).<\/span><span class=\"nf\">to_func<\/span>\r\n<span class=\"n\">answer<\/span> <span class=\"o\">=<\/span> <span class=\"n\">add<\/span><span class=\"p\">.<\/span><span class=\"nf\">call<\/span><span class=\"p\">(<\/span><span class=\"mi\">6<\/span><span class=\"p\">,<\/span> <span class=\"mi\">12<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nb\">puts<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Call function add: 6 + 12 = %d\"<\/span> <span class=\"o\">%<\/span> <span class=\"n\">answer<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f \u7b2c\uff11\u56de \u3068\u5168\u304f\u540c\u3058\u65b9\u6cd5\u3067\u95a2\u6570 add \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<br \/>\n\u3053\u306e\u30b3\u30fc\u30c9\u306f add_and_display \u3068\u306e\u6bd4\u8f03\u306e\u305f\u3081\u306b\u8a18\u8ff0\u3057\u305f\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u4ee5\u4e0b\u306e\u884c\u3092\u8aad\u3093\u3067\u307f\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># Call function add_and_display<\/span>\r\n<span class=\"n\">add_and_display<\/span> <span class=\"o\">=<\/span> <span class=\"n\">instance<\/span><span class=\"p\">.<\/span><span class=\"nf\">export<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"add_and_display\"<\/span><span class=\"p\">).<\/span><span class=\"nf\">to_func<\/span>\r\n<span class=\"nb\">puts<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"Call function add_and_display\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">add_and_display<\/span><span class=\"p\">.<\/span><span class=\"nf\">call<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f\u95a2\u6570 add \u3068\u540c\u69d8\u306e\u65b9\u6cd5\u3067\u95a2\u6570 add_and_display \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u3002<br \/>\n\u9055\u3044\u306f add_and_display \u304c\u5185\u90e8\u3067 host.display \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u306e\u3067\u3001Rust \u3067\u4f55\u3082\u3057\u306a\u304f\u3068\u3082\u5b9f\u884c\u6642\u306b 5 + 3 = 8 \u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3060\u3002<\/p>\n<h1>\u30dd\u30a8\u30e0<\/h1>\n<p>\u4ee5\u524d \u5225\u306e\u8a18\u4e8b \u3067\u3082\u66f8\u3044\u305f\u304c\u3001\u5b9f\u306f\u7b46\u8005\u306f wasm \u30d5\u30a1\u30a4\u30eb\u3067 import \u3059\u308b\u306e\u306f\u3042\u307e\u308a\u597d\u304d\u3067\u306f\u306a\u3044\u3002<\/p>\n<p>\u4e0a\u8a18\u306f rust-webpack \u3068\u3044\u3046 npm \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u7528\u3044\u3066 Rust \u3067\u66f8\u3044\u305f WebAssembly \u306e\u30b3\u30fc\u30c9\u3092\u30d6\u30e9\u30a6\u30b6\u30fc\u4e0a\u306e JavaScript \u304b\u3089\u5b9f\u884c\u3059\u308b\u8a18\u4e8b\u3067\u3042\u308b\u3002\u5b9f\u306f rust-webpack \u306e\u30b5\u30f3\u30d7\u30eb\u7b49\u3067\u826f\u304f\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u65b9\u6cd5\u306f\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3059\u308b\u3002\uff08\u7b46\u8005\u306f\u8208\u5473\u672c\u4f4d\u3067\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5965\u307e\u3067\u8aad\u3093\u3067\u3044\u308b\u6700\u4e2d\u306b\u5076\u7136\u6c17\u304c\u4ed8\u3044\u3066\u3057\u307e\u3063\u305f\u3002\uff09<\/p>\n<p>rust-webpack \u4e2d\u306e\u4eba\u9054\u306f\u3053\u306e\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306b\u6c17\u304c\u4ed8\u3044\u3066\u304a\u308a\u8272\u3005\u3068\u8b70\u8ad6\u3057\u3066\u3044\u305f\u304c\u3001\u7b46\u8005\u304c\u78ba\u8a8d\u3057\u305f\u6642\u70b9\u3067\u306f\u672a\u89e3\u6c7a\u3060\u3063\u305f\u3002\u305d\u306e\u8b70\u8ad6\u3092\u898b\u3066\u3001\u7b46\u8005\u306f\u300c\u305d\u3082\u305d\u3082\u8ad6\u3068\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u8a2d\u8a08\u304c\u60aa\u3044\u3002wasm \u30d5\u30a1\u30a4\u30eb\u3067\u306f import \u3092\u4f7f\u7528\u305b\u305a\u306b Haskell \u578b\u306e\u8a2d\u8a08\u3092\u63a1\u7528\u3057\u305f\u65b9\u304c\u826f\u3044\u306e\u3067\u306f\u306a\u3044\u304b\uff1f\u300d\u3068\u601d\u3063\u305f\u306e\u3060\u3002<\/p>\n<p>\u6700\u8fd1\u3001\u3053\u306e\u30b7\u30ea\u30fc\u30ba\u8a18\u4e8b\u3092\u66f8\u304f\u306b\u3042\u305f\u3063\u3066 wasmtime \u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8aad\u3093\u3067\u3044\u308b\u3068\u300cHaskell \u98a8\u306e\u8868\u73fe\u3060\u306a\u300d\u3068\u601d\u3046\u4e8b\u304c\u6642\u3005\u3042\u308b\u3002wasmtime \u306e\u4e2d\u306e\u4eba\u305f\u3061\uff08\u2252 WebAssembly \u306e\u4e2d\u306e\u4eba\u305f\u3061\uff09\u3082\u540c\u3058\u4e8b\u3092\u8003\u3048\u3066\u3044\u308b\u306e\u3067\u306f\u7121\u3044\u304b\u3068\u60f3\u50cf\u3057\u3066\u3057\u307e\u3046\u306e\u3060\u304c\u3001\u7b46\u8005\u306e\u5984\u60f3\u3060\u308d\u3046\u304b\uff1f<\/p>\n<p>\u6c17\u306b\u306a\u308b\u4eba\u306f\u4e0a\u8a18\u306e\u8a18\u4e8b\u3082\u8aad\u3093\u3067\u307f\u3066\u6b32\u3057\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WebAssembly \u306f\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u304b\u3089\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u69d8\u306b\u547c\u3073\u51fa\u3059\u4e8b\u304c\u51fa\u6765\u308b\u3002 WebAssembly [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45844","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45844-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"WebAssembly 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