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Rollup merge of #128457 - juntyr:once-lock-docs, r=tgross35

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Fix docs for OnceLock::get_mut_or_init

Removes an incorrect statment about concurrency from the `OnceLock::get_mut_or_init` (tracked in #121641) docs.

Fixes #128429
This commit is contained in:
Matthias Krüger 2024-07-31 23:20:13 +02:00 committed by GitHub
commit 7060a2f356
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1 changed files with 3 additions and 3 deletions
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6
library/std/src/sync/once_lock.rs
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@ -281,9 +281,7 @@ impl<T> OnceLock<T> {
/// Gets the mutable reference of the contents of the cell, initializing
/// it with `f` if the cell was empty.
///
/// Many threads may call `get_mut_or_init` concurrently with different
/// initializing functions, but it is guaranteed that only one function
/// will be executed.
/// This method never blocks.
///
/// # Panics
///
@ -373,6 +371,8 @@ impl<T> OnceLock<T> {
/// it with `f` if the cell was empty. If the cell was empty and `f` failed,
/// an error is returned.
///
/// This method never blocks.
///
/// # Panics
///
/// If `f` panics, the panic is propagated to the caller, and