rust/crates/core_simd/src/fmt.rs
Jubilee Young b25ed7f86d Restructure crate as core module
Aligns module with rust-lang/library/core, creating an... unusual
architecture that is easier to pull in as a module, as core itself can
have no dependencies (as we haven't built core yet).
2021-09-18 23:26:10 -07:00

40 lines
1.1 KiB
Rust

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_fmt_trait! {
Debug,
Binary,
LowerExp,
UpperExp,
Octal,
LowerHex,
UpperHex,
}