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Elaborate on side effects

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oli 2020-11-19 14:28:28 +00:00
parent 3d1f676906
commit dfca61a4c2
1 changed files with 2 additions and 1 deletions
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library/core/src/alloc/global.rs
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@ -71,7 +71,8 @@ use crate::ptr;
/// optimization that can be applied. You may generally not rely on heap allocations
/// happening, if they can be removed without changing program behaviour.
/// Whether allocations happen or not is not part of the program behaviour, even if it
/// could be detected via an allocator that tracks allocations.
/// could be detected via an allocator that tracks allocations by printing or otherwise
/// having side effects.
#[stable(feature = "global_alloc", since = "1.28.0")]
pub unsafe trait GlobalAlloc {
/// Allocate memory as described by the given `layout`.