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Update crates/core_simd/src/vector.rs

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Co-authored-by: Jubilee <46493976+workingjubilee@users.noreply.github.com>
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Caleb Zulawski 2021-08-13 20:40:05 -04:00 committed by GitHub
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crates/core_simd/src/vector.rs
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@ -336,6 +336,11 @@ mod sealed {
use sealed::Sealed;
/// Marker trait for types that may be used as SIMD vector elements.
/// SAFETY: This trait, when implemented, asserts the compiler can monomorphize
/// `#[repr(simd)]` structs with the marked type as an element.
/// Strictly, it is valid to impl if the vector will not be miscompiled.
/// Practically, it is user-unfriendly to impl it if the vector won't compile,
/// even when no soundness guarantees are broken by allowing the user to try.
pub unsafe trait SimdElement: Sealed + Copy {
/// The mask element type corresponding to this element type.
type Mask: MaskElement;