error[E0283]: type annotations needed for `Mask<_, N>` --> $DIR/issue-91614.rs:6:9 | LL | let y = Mask::<_, _>::splat(false); | ^ ------------------- type must be known at this point | = note: cannot satisfy `_: MaskElement` = help: the following types implement trait `MaskElement`: isize i8 i16 i32 i64 note: required by a bound in `Mask::::splat` --> $SRC_DIR/core/src/../../portable-simd/crates/core_simd/src/masks.rs:LL:COL help: consider giving `y` an explicit type, where the type for type parameter `T` is specified | LL | let y: Mask<_, N> = Mask::<_, _>::splat(false); | ++++++++++++ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0283`.