{"id":45003,"date":"2022-12-02T21:46:36","date_gmt":"2023-01-17T05:03:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45003-2\/"},"modified":"2024-04-29T03:31:09","modified_gmt":"2024-04-28T19:31:09","slug":"45003-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45003-2\/","title":{"rendered":""},"content":{"rendered":"

Rust\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u3001head -1 \u306a\u3069\u51fa\u529b\u3092\u9014\u4e2d\u3067\u5207\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068 Broken Pipe \u30a8\u30e9\u30fc\u306b\u3088\u3063\u3066\u30d1\u30cb\u30c3\u30af\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n

fn<\/span> main<\/span>()<\/span> {<\/span>\r\n    loop<\/span> {<\/span>\r\n        println!<\/span>(<\/span>\"y\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
$ <\/span>.\/simple-yes | head<\/span> -1<\/span>\r\ny\r\nthread 'main'<\/span> panicked at library\/std\/src\/io\/stdio.rs:1019:9:\r\nfailed printing to stdout: Broken pipe (<\/span>os error 32)<\/span>\r\nnote: run with `<\/span>RUST_BACKTRACE<\/span>=<\/span>1`<\/span> environment variable to display a backtrace\r\n<\/code><\/pre>\n
\u3069\u3046\u3057\u3066\u3053\u308c\u304c\u8d77\u304d\u308b\u306e\u304b\u3068\u305d\u306e\u5bfe\u7b56\u3092\u8abf\u3079\u307e\u3057\u305f\u3002<\/p>\n
\u306a\u305c\u8d77\u304d\u308b\u306e\u304b<\/h1>\n
\u3053\u3053\u3067\u767a\u751f\u3057\u3066\u3044\u308b\u30a8\u30e9\u30fc\u306f\u3001 write(2) \u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u6642\u306e EPIPE \u30a8\u30e9\u30fc\u3067\u3059\u3002
\n\u540c\u69d8\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092C\u3067\u5b9f\u88c5\u3057\u305f\u5834\u5408\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b1\u884c\u306e\u307f\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n
#include<\/span> <unistd.h><\/span>\r\n\r\nint<\/span> main<\/span>()<\/span> {<\/span>\r\n    while<\/span>(<\/span>1<\/span>)<\/span> {<\/span>\r\n        write<\/span>(<\/span>STDOUT_FILENO<\/span>,<\/span> \"y<\/span>\\n<\/span>\"<\/span>,<\/span> 2<\/span>);<\/span>\r\n    }<\/span>\r\n    return<\/span> 0<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
$ <\/span>cc y.c -o<\/span> y\r\n$ <\/span>.\/y | head<\/span> -1<\/span>\r\ny\r\n$ <\/span>echo<\/span> \"<\/span>${<\/span>PIPESTATUS<\/span>[@]<\/span>}<\/span>\"<\/span>\r\n<\/code><\/pre>\n
\u3053\u3053\u3067\u7121\u9650\u30eb\u30fc\u30d7\u306b\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u7d42\u4e86\u3057\u3066\u3044\u308b\u306e\u306f\u3001SIGPIPE \u30b7\u30b0\u30ca\u30eb\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30d7\u30ed\u30bb\u30b9\u304c\u505c\u6b62\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n
signal(7) \u3092\u78ba\u8a8d\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u8a18\u8ff0\u304c\u3042\u308b\u3053\u3068\u304b\u3089\u78ba\u8a8d\u3067\u304d\u307e\u3059\uff08\u3053\u308c\u306f\u74b0\u5883\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff09<\/p>\n
       Signal      Standard   Action   Comment\r\n       \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\r\n...       \r\n       SIGKILL      P1990      Term    Kill signal\r\n       SIGLOST        -        Term    File lock lost (unused)\r\n       SIGPIPE      P1990      Term    Broken pipe: write to pipe with no\r\n                                       readers; see pipe(7)\r\n       SIGPOLL      P2001      Term    Pollable event (Sys V);\r\n                                       synonym for SIGIO\r\n       SIGPROF      P2001      Term    Profiling timer expired\r\n...\r\n<\/code><\/pre>\n
\u307e\u305f $PIPESTATUS \u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001 y \u306e\u30d7\u30ed\u30bb\u30b9\u306f 141 \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u30b9\u30c6\u30fc\u30bf\u30b9\u304c 128 \u4ee5\u4e0a\u306e\u5834\u5408\u306f\u3001 128\u3092\u5f15\u304f\u3053\u3068\u3067\u539f\u56e0\u3068\u306a\u3063\u305f\u30b7\u30b0\u30ca\u30eb\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\n\u30d1\u30a4\u30d7\u3057\u305f\u3068\u304d\u306e\u7d42\u4e86\u30b9\u30c6\u30fc\u30bf\u30b9\u306e\u53d6\u5f97\u65b9\u6cd5 \u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
141-128=13 \u3068\u306a\u308a\u307e\u3059\u3002
\n\u30b7\u30b0\u30ca\u30eb\u756a\u53f7\u3092 signal(7) \u3067\u78ba\u8a8d\u3059\u308b\u3068\u3084\u306f\u308a SIGPIPE \u3067\u7d42\u4e86\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
       Signal        x86\/ARM     Alpha\/   MIPS   PARISC   Notes\r\n                   most others   SPARC\r\n       \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\r\n...\r\n       SIGKILL          9           9       9       9\r\n       SIGUSR1         10          30      16      16\r\n       SIGSEGV         11          11      11      11\r\n       SIGUSR2         12          31      17      17\r\n       SIGPIPE         13          13      13      13\r\n       SIGALRM         14          14      14      14\r\n       SIGTERM         15          15      15      15\r\n...\r\n<\/code><\/pre>\n
\u307e\u305f\u3001 write(2) \u306e EPIPE \u306e\u8a18\u8ff0\u3092\u78ba\u8a8d\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
       EPIPE  fd is connected to a pipe or socket whose reading end is closed.  When this\r\n              happens the writing process will also receive a SIGPIPE signal.  (Thus, the\r\n              write return value is seen only if the program catches, blocks  or  ignores\r\n              this signal.)\r\n<\/code><\/pre>\n
\u3064\u307e\u308a\u3001\u6307\u5b9a\u3055\u308c\u305f fd \u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u3093\u3067\u3044\u308b\u30d1\u30a4\u30d7\u3084\u30bd\u30b1\u30c3\u30c8\u304c\u3059\u3067\u306bclose\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b EPIPE\u306f\u767a\u751f\u3057\u307e\u3059\u3002 \u3053\u308c\u304c\u8d77\u304d\u308b\u3068\u304d\u30d7\u30ed\u30bb\u30b9\u306f SIGPIPE\u30b7\u30b0\u30ca\u30eb\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001write \u306e\u623b\u308a\u5024\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5bfe\u8c61\u306e\u30b7\u30b0\u30ca\u30eb\u3092\u7121\u8996\u3059\u308b\u304b\u30d6\u30ed\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3001\u3068\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u8a66\u3057\u306bSIGPIPE\u3092\u7121\u8996\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u78ba\u304b\u3081\u3066\u307f\u307e\u3059\u3002<\/p>\n
#include<\/span> <stdio.h><\/span>\r\n#include<\/span> <sys\/types.h><\/span>\r\n#include<\/span> <unistd.h><\/span>\r\n#include<\/span> <signal.h><\/span>\r\n#include<\/span> <string.h><\/span>\r\n#include<\/span> <errno.h><\/span>\r\n\r\nint<\/span> main<\/span>()<\/span> {<\/span>\r\n    signal<\/span>(<\/span>SIGPIPE<\/span>,<\/span> SIG_IGN<\/span>);<\/span>\r\n    while<\/span>(<\/span>1<\/span>)<\/span> {<\/span>\r\n        ssize_t<\/span> nwrites<\/span> =<\/span> write<\/span>(<\/span>STDOUT_FILENO<\/span>,<\/span> \"y<\/span>\\n<\/span>\"<\/span>,<\/span> 2<\/span>);<\/span>\r\n        if<\/span> (<\/span>nwrites<\/span> <<\/span> 0<\/span>)<\/span> {<\/span>\r\n            fprintf<\/span>(<\/span>stderr<\/span>,<\/span> \"%d: %s<\/span>\\n<\/span>\"<\/span>,<\/span> errno<\/span>,<\/span> strerror<\/span>(<\/span>errno<\/span>));<\/span>\r\n            return<\/span> 141<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    return<\/span> 0<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
$ <\/span>cc y.c -o<\/span> y\r\n$ <\/span>.\/y | head<\/span> -1<\/span>\r\ny\r\n32: Broken pipe\r\n$ <\/span>errno -l<\/span> | grep <\/span>EPIPE\r\nEPIPE 32 Broken pipe\r\n<\/code><\/pre>\n
SIGPIPE \u30b7\u30b0\u30ca\u30eb\u3092\u7121\u8996\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u3053\u3068\u3067\u3001 write(2) \u306e\u8fd4\u308a\u5024\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001errno \u306b EPIPE \u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
Rust\u3067\u306f<\/h2>\n
\u3053\u3053\u3067Rust\u306e\u30b1\u30fc\u30b9\u306b\u623b\u308b\u3068\u3001Broken pipe \u306b\u3088\u3063\u3066\u30d1\u30cb\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u304b\u3089 SIGPIPE\u3092\u7121\u8996\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u60f3\u50cf\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u305d\u3053\u3067 strace \u3092\u4f7f\u3063\u3066 Rust\u3067\u66f8\u3044\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u30c8\u30ec\u30fc\u30b9\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
$ <\/span>strace -o<\/span> \/tmp\/simple-yes.trace .\/simple-yes | head<\/span> -1<\/span> ><\/span> \/dev\/null\r\n$ <\/span>grep <\/span>SIGPIPE \/tmp\/simple-yes.trace\r\nrt_sigaction(<\/span>SIGPIPE, {<\/span>sa_handler<\/span>=<\/span>SIG_IGN, sa_mask<\/span>=[]<\/span>, sa_flags<\/span>=<\/span>SA_RESTORER|SA_RESTART, sa_restorer<\/span>=<\/span>0x25d991}<\/span>, {<\/span>sa_handler<\/span>=<\/span>SIG_DFL, sa_mask<\/span>=[]<\/span>, sa_flags<\/span>=<\/span>0}<\/span>, 8)<\/span> =<\/span> 0\r\n---<\/span> SIGPIPE {<\/span>si_signo<\/span>=<\/span>SIGPIPE, si_code<\/span>=<\/span>SI_USER, si_pid<\/span>=<\/span>175199, si_uid<\/span>=<\/span>1000}<\/span> ---<\/span>\r\n<\/code><\/pre>\n
\u3084\u306f\u308a sa_handler \u306b SIG_IGN \u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3064\u307e\u308a\u3001Rust\u3067\u306f SIGPIPE \u306b\u5bfe\u3057\u3066\u3001\u660e\u793a\u7684\u306b SIG_IGN \u304c\u6307\u5b9a\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066 EPIPE \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057 println! \u30de\u30af\u30ed\u3067unwrap()\u3057\u3066\u3044\u308b\u305f\u3081\u306b\u30d1\u30cb\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
GitHub \u3092\u63a2\u3057\u3066\u307f\u308b\u3068\u3001 Should Rust still ignore SIGPIPE by default \u3068\u3044\u3046issue\u304c\u5efa\u3066\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u5bfe\u7b56<\/h1>\n
\u5bfe\u7b56\u3068\u3057\u3066\u306f\u5927\u307e\u304b\u306b3\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
1\u3064\u3081<\/h2>\n
println! \u30de\u30af\u30ed\u3092\u4f7f\u308f\u305a\u306b \u66f8\u304d\u8fbc\u307f\u6642\u306e\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3092\u81ea\u5206\u3067\u3084\u308b<\/p>\n
match<\/span> writeln!<\/span>(<\/span>&<\/span>mut<\/span> stdout<\/span>,<\/span> \"y\"<\/span>)<\/span> {<\/span>\r\n    Ok<\/span>(<\/span>_<\/span>)<\/span> =><\/span> {}<\/span>\r\n    Err<\/span>(<\/span>err<\/span>)<\/span> if<\/span> err<\/span>.kind<\/span>()<\/span> ==<\/span> io<\/span>::<\/span>ErrorKind<\/span>::<\/span>BrokenPipe<\/span> =><\/span> std<\/span>::<\/span>process<\/span>:<\/span>exit<\/span>(<\/span>141<\/span>),<\/span>\r\n    Err<\/span>(<\/span>err<\/span>)<\/span> =><\/span> {<\/span>\r\n        eprintln!<\/span>(<\/span>\"{:?}\"<\/span>,<\/span> err<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3053\u3053\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u306e\u304c\u3001”${PIPESTATUS}” \u304c\u540c\u3058\u6319\u52d5\u306b\u306a\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001 \u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092 141 \u3067\u7d42\u4e86\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3060\u3001Rust\u3067\u4f5c\u3089\u308c\u305f CLI\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u666e\u901a\u306b\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092 0 \u3067\u7d42\u4e86\u3057\u3066\u3044\u308b\u3082\u306e\u3082\u3042\u308b\u305f\u3081\u3001\u3069\u306e\u7a0b\u5ea6\u3053\u3060\u308f\u308b\u304b\u306f\u5834\u5408\u306b\u3088\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
2\u3064\u76ee<\/h2>\n
#[unix_sigpipe = “…”] \u3092\u4f7f\u7528\u3059\u308b\uff08\u305f\u3060\u3057nightly\u4f7f\u7528)<\/p>\n
https:\/\/github.com\/rust-lang\/rust\/issues\/97889
\n\u3053\u306e issue \u306b\u3042\u308b\u3088\u3046\u306b\u3001 main() \u306b unix_sigpipe \u30a2\u30c8\u30ea\u30d3\u30e5\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001 sig_dfl \u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067 signal\u3092\u7121\u8996\u3059\u308b\u306e\u3092\u6291\u5236\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
#![feature(unix_sigpipe)]<\/span>\r\n\r\n#[unix_sigpipe<\/span> =<\/span> \"sig_dfl\"<\/span>]<\/span>\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n    loop<\/span> {<\/span>\r\n        println!<\/span>(<\/span>\"y\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
3\u3064\u76ee<\/h2>\n
libc\u30af\u30ec\u30fc\u30c8\u3068 unsafe \u3092\u4f7f\u3063\u3066\u81ea\u5206\u3067 signal \u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n
unsafe<\/span> {<\/span>\r\n    libc<\/span>::<\/span>signal<\/span>(<\/span>libc<\/span>::<\/span>SIGPIPE<\/span>,<\/span> libc<\/span>::<\/span>SIG_DFL<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
signal(2) \u306f\u672c\u6765\u975e\u63a8\u5968\u3067 sigaction(2) \u3092\u4f7f\u3046\u3079\u304d\u3067\u3059\u304c\u7c21\u5358\u306e\u305f\u3081\u306b signal(2) \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u3068\u3081<\/h1>\n
Rust\u3067\u306f SIGPIPE \u3092\u7121\u8996\u3057\u3066\u3044\u308b\u3053\u3068\u3067\u3001\u66f8\u304d\u8fbc\u307f\u6642\u306b BrokenPipe \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066 println! \u30de\u30af\u30ed\u3067 unwrap() \u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3067 \u30d1\u30cb\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n
SIGPIPE \u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6319\u52d5\u306b\u623b\u3059\u304b\u3001 BrokenPipe \u30a8\u30e9\u30fc\u3092\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u30d1\u30cb\u30c3\u30af\u3092\u8d77\u3053\u3055\u306a\u3044\u3088\u3046\u306b\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u6700\u8fd1 \u52c9\u5f37\u306e\u305f\u3081\u306b \u6bce\u65e5(?) \u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb \u3067\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306b\u3064\u3044\u3066\u52c9\u5f37\u3057\u59cb\u3081\u305f\u3053\u3068\u3067Rust\u3067\u306eBrokenPipe\u306e\u30a8\u30e9\u30fc\u304c\u306a\u305c\u8d77\u304d\u3066\u3044\u308b\u306e\u304b\u8aac\u660e\u3067\u304d\u305f\u306e\u3067\u3053\u308c\u304b\u3089\u3082\u7d9a\u3051\u3066\u3044\u304d\u305f\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Rust\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u3001head -1 \u306a\u3069\u51fa\u529b\u3092\u9014\u4e2d\u3067\u5207\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068 Bro […]<\/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-45003","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- 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\/45003-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Rust\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u3001head -1 \u306a\u3069\u51fa\u529b\u3092\u9014\u4e2d\u3067\u5207\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068 Bro […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45003-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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