Macro core::core_simd::ops::for_base_types

macro_rules! for_base_types {
    (   T = ($($scalar:ident),*);
        type Lhs = Simd<T, N>;
        type Rhs = Simd<T, N>;
        type Output = $out:ty;

        impl $op:ident::$call:ident {
            $macro_impl:ident $inner:tt
        }) => { ... };
}

🔬This is a nightly-only experimental API. (portable_simd #86656)