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(un)aligned

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This commit is contained in:
Ralf Jung 2018-08-31 17:02:39 +02:00
parent dc2237c49f
commit b463871df5
1 changed files with 2 additions and 2 deletions
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4
src/libcore/ptr.rs
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@ -748,8 +748,8 @@ pub unsafe fn write<T>(dst: *mut T, src: T) {
/// // Take a reference to a 32-bit integer which is not aligned. /// // Take a reference to a 32-bit integer which is not aligned.
/// let unaligned = &mut x.unaligned as *mut u32; /// let unaligned = &mut x.unaligned as *mut u32;
/// ///
/// // Dereferencing normally will emit an unaligned store instruction, /// // Dereferencing normally will emit an aligned store instruction,
/// // causing undefined behavior. /// // causing undefined behavior because the pointer is not aligned.
/// // *unaligned = v; // ERROR /// // *unaligned = v; // ERROR
/// ///
/// // Instead, use `write_unaligned` to write improperly aligned values. /// // Instead, use `write_unaligned` to write improperly aligned values.