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update Termination trait docs #95207

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Merged
merged 3 commits into from
Mar 22, 2022
Merged

update Termination trait docs #95207

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6e971a8
update Termination trait docs
ZHANGWENTAI Mar 22, 2022
161b01a
fix the lint problem
ZHANGWENTAI Mar 22, 2022
71e3423
add some fix
ZHANGWENTAI Mar 22, 2022
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5 changes: 5 additions & 0 deletions library/std/src/process.rs
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Expand Up @@ -2030,6 +2030,11 @@ 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.
///
/// Because different runtimes have different specifications on the return value
/// of the `main` function, this trait is likely to be available only on
/// standard library's runtime for convenience. Other runtimes are not required
/// to provide similar functionality.
#[cfg_attr(not(test), lang = "termination")]
#[unstable(feature = "termination_trait_lib", issue = "43301")]
#[rustc_on_unimplemented(
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