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| author | ZHANGWENTAI <2092913428@qq.com> | 2022-03-22 22:37:17 +0800 |
|---|---|---|
| committer | ZHANGWENTAI <2092913428@qq.com> | 2022-03-22 22:37:17 +0800 |
| commit | 6e971a8bc28705018f735bc075cb79ddd495601f (patch) | |
| tree | 0ab27789f1e9fc851b8323a7574f1cdb5a4e8779 | |
| parent | 3ea44938e21f0de8ae7d4f6399a8a30f97867c70 (diff) | |
| download | rust-6e971a8bc28705018f735bc075cb79ddd495601f.tar.gz rust-6e971a8bc28705018f735bc075cb79ddd495601f.zip | |
update Termination trait docs
| -rw-r--r-- | library/std/src/process.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/library/std/src/process.rs b/library/std/src/process.rs index d88ab625371..498be0aa262 100644 --- a/library/std/src/process.rs +++ b/library/std/src/process.rs @@ -2030,6 +2030,10 @@ pub fn id() -> u32 { /// /// The default implementations are returning `libc::EXIT_SUCCESS` to indicate /// a successful execution. In case of a failure, `libc::EXIT_FAILURE` is returned. +/// +/// For the reason that different runtimes have diffrent specificatons on the +/// return value of the `main` function, this trait is likely to be available +/// only on standard library's runtime for type convenience. #[cfg_attr(not(test), lang = "termination")] #[unstable(feature = "termination_trait_lib", issue = "43301")] #[rustc_on_unimplemented( |