diff options
Diffstat (limited to 'library/portable-simd/crates/core_simd/src/fmt.rs')
| -rw-r--r-- | library/portable-simd/crates/core_simd/src/fmt.rs | 50 |
1 files changed, 16 insertions, 34 deletions
diff --git a/library/portable-simd/crates/core_simd/src/fmt.rs b/library/portable-simd/crates/core_simd/src/fmt.rs index dbd9839c4..b7317969c 100644 --- a/library/portable-simd/crates/core_simd/src/fmt.rs +++ b/library/portable-simd/crates/core_simd/src/fmt.rs @@ -1,39 +1,21 @@ use crate::simd::{LaneCount, Simd, SimdElement, SupportedLaneCount}; use core::fmt; -macro_rules! impl_fmt_trait { - { $($trait:ident,)* } => { - $( - impl<T, const LANES: usize> fmt::$trait for Simd<T, LANES> - where - LaneCount<LANES>: SupportedLaneCount, - T: SimdElement + fmt::$trait, - { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - #[repr(transparent)] - struct Wrapper<'a, T: fmt::$trait>(&'a T); - - impl<T: fmt::$trait> fmt::Debug for Wrapper<'_, T> { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - self.0.fmt(f) - } - } - - f.debug_list() - .entries(self.as_array().iter().map(|x| Wrapper(x))) - .finish() - } - } - )* +impl<T, const LANES: usize> fmt::Debug for Simd<T, LANES> +where + LaneCount<LANES>: SupportedLaneCount, + T: SimdElement + fmt::Debug, +{ + /// A `Simd<T, N>` has a debug format like the one for `[T]`: + /// ``` + /// # #![feature(portable_simd)] + /// # #[cfg(feature = "as_crate")] use core_simd::simd::Simd; + /// # #[cfg(not(feature = "as_crate"))] use core::simd::Simd; + /// let floats = Simd::<f32, 4>::splat(-1.0); + /// assert_eq!(format!("{:?}", [-1.0; 4]), format!("{:?}", floats)); + /// ``` + #[inline] + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + <[T] as fmt::Debug>::fmt(self.as_array(), f) } } - -impl_fmt_trait! { - Debug, - Binary, - LowerExp, - UpperExp, - Octal, - LowerHex, - UpperHex, -} |