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Move BITS into omnibus impl block

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David Tolnay 2023-12-05 22:52:20 -08:00
parent 66cda3b75f
commit c53713274c
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GPG Key ID: F9BA143B95FF6D82
1 changed files with 14 additions and 37 deletions
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51
library/core/src/num/nonzero.rs
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@ -128,6 +128,20 @@ pub const fn get(self) -> $Int {
self.0
}
/// The size of this non-zero integer type in bits.
///
#[doc = concat!("This value is equal to [`", stringify!($Int), "::BITS`].")]
///
/// # Examples
///
/// ```
#[doc = concat!("# use std::num::", stringify!($Ty), ";")]
///
#[doc = concat!("assert_eq!(", stringify!($Ty), "::BITS, ", stringify!($Int), "::BITS);")]
/// ```
#[stable(feature = "nonzero_bits", since = "1.67.0")]
pub const BITS: u32 = <$Int>::BITS;
/// Returns the number of leading zeros in the binary representation of `self`.
///
/// On many architectures, this function can perform better than `leading_zeros()` on the underlying integer type, as special handling of zero can be avoided.
@ -1236,43 +1250,6 @@ macro_rules! sign_dependent_expr {
};
}
macro_rules! nonzero_bits {
( $( $Ty: ident($Int: ty); )+ ) => {
$(
impl $Ty {
/// The size of this non-zero integer type in bits.
///
#[doc = concat!("This value is equal to [`", stringify!($Int), "::BITS`].")]
///
/// # Examples
///
/// ```
#[doc = concat!("# use std::num::", stringify!($Ty), ";")]
///
#[doc = concat!("assert_eq!(", stringify!($Ty), "::BITS, ", stringify!($Int), "::BITS);")]
/// ```
#[stable(feature = "nonzero_bits", since = "1.67.0")]
pub const BITS: u32 = <$Int>::BITS;
}
)+
}
}
nonzero_bits! {
NonZeroU8(u8);
NonZeroI8(i8);
NonZeroU16(u16);
NonZeroI16(i16);
NonZeroU32(u32);
NonZeroI32(i32);
NonZeroU64(u64);
NonZeroI64(i64);
NonZeroU128(u128);
NonZeroI128(i128);
NonZeroUsize(usize);
NonZeroIsize(isize);
}
nonzero_integer! {
Self = NonZeroU8,
Primitive = unsigned u8,