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    //! Implements `Default` for vector types.
    #![allow(unused)]

    macro_rules! impl_default {
        ($id:ident, $elem_ty:ident) => {
            impl ::default::Default for $id {
                #[inline]
                fn default() -> Self {
                    Self::splat($elem_ty::default())
                }
            }
        };
    }

    #[cfg(test)]
    macro_rules! test_default {
        ($id:ident, $elem_ty:ident) => {
            #[test]
            fn default() {
                use coresimd::simd::$id;
                let a = $id::default();
                for i in 0..$id::lanes() {
                    assert_eq!(a.extract(i), $elem_ty::default());
                }
            }
        };
    }

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