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black_box doc corrections for clarification - Issue #107957 #108416

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Merged
bors merged 3 commits into from
Apr 26, 2023
Merged

black_box doc corrections for clarification - Issue #107957 #108416

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black_box doc corrections - Issue #107957
pat-nel87 Feb 24, 2023
21549da
black_box hint - Adjust for improved readability
pat-nel87 Mar 7, 2023
af489af
Merge branch 'master' into Issue-107957-black_box_docs
pat-nel87 Mar 26, 2023
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6 changes: 3 additions & 3 deletions library/core/src/hint.rs
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Expand Up @@ -223,12 +223,12 @@ pub fn spin_loop() {
///
/// # When is this useful?
///
/// First and foremost: `black_box` does _not_ guarantee any exact behavior and, in some cases, may
/// do nothing at all. As such, it **must not be relied upon to control critical program behavior.**
/// First and foremost: `black_box` does _not_ guarantee any exact behavior beyond behaving as the identity function
/// and, in some cases, does nothing at all. As such, it **must not be relied upon to control critical program behavior.**
/// This _immediately_ precludes any direct use of this function for cryptographic or security
/// purposes.
///
/// While not suitable in those mission-critical cases, `back_box`'s functionality can generally be
/// While not suitable in those mission-critical cases, `black_box`'s functionality can generally be
/// relied upon for benchmarking, and should be used there. It will try to ensure that the
/// compiler doesn't optimize away part of the intended test code based on context. For
/// example:
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