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-rw-r--r--crates/core_simd/src/masks.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/crates/core_simd/src/masks.rs b/crates/core_simd/src/masks.rs
index d0021c91142..b97be97f7e6 100644
--- a/crates/core_simd/src/masks.rs
+++ b/crates/core_simd/src/masks.rs
@@ -77,6 +77,8 @@ impl_element! { isize }
 
 /// A SIMD vector mask for `LANES` elements of width specified by `Element`.
 ///
+/// Masks represent boolean inclusion/exclusion on a per-lane basis.
+///
 /// The layout of this type is unspecified.
 #[repr(transparent)]
 pub struct Mask<T, const LANES: usize>(mask_impl::Mask<T, LANES>)