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Co-authored-by: kennytm <kennytm@gmail.com>
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Alphyr 2021-10-03 22:44:07 +02:00 committed by GitHub
parent 9faf621355
commit 70e55a8938
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1 changed files with 6 additions and 12 deletions
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18
library/core/src/num/int_macros.rs
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@ -501,7 +501,7 @@ macro_rules! int_impl {
unsafe { intrinsics::unchecked_sub(self, rhs) }
}
/// Checked addition with an unsigned integer. Computes `self + rhs`,
/// Checked subtraction with an unsigned integer. Computes `self - rhs`,
/// returning `None` if overflow occurred.
///
/// # Examples
@ -885,10 +885,7 @@ macro_rules! int_impl {
#[inline]
pub const fn saturating_add_unsigned(self, rhs: $UnsignedT) -> Self {
// Overflow can only happen at the upper bound
match self.checked_add_unsigned(rhs) {
Some(x) => x,
None => Self::MAX,
}
self.checked_add_unsigned(rhs).unwrap_or(Self::MAX)
}
/// Saturating integer subtraction. Computes `self - rhs`, saturating at the
@ -912,7 +909,7 @@ macro_rules! int_impl {
intrinsics::saturating_sub(self, rhs)
}
/// Saturating substraction with an unsigned integer. Computes `self - rhs`,
/// Saturating subtraction with an unsigned integer. Computes `self - rhs`,
/// saturating at the numeric bounds instead of overflowing.
///
/// # Examples
@ -931,10 +928,7 @@ macro_rules! int_impl {
#[inline]
pub const fn saturating_sub_unsigned(self, rhs: $UnsignedT) -> Self {
// Overflow can only happen at the lower bound
match self.checked_sub_unsigned(rhs) {
Some(x) => x,
None => Self::MIN,
}
self.checked_sub_unsigned(rhs).unwrap_or(Self::MIN)
}
/// Saturating integer negation. Computes `-self`, returning `MAX` if `self == MIN`
@ -1133,7 +1127,7 @@ macro_rules! int_impl {
intrinsics::wrapping_sub(self, rhs)
}
/// Wrapping (modular) substraction with an unsigned integer. Computes
/// Wrapping (modular) subtraction with an unsigned integer. Computes
/// `self - rhs`, wrapping around at the boundary of the type.
///
/// # Examples
@ -1584,7 +1578,7 @@ macro_rules! int_impl {
/// Calculates `self` - `rhs` with an unsigned `rhs`
///
/// Returns a tuple of the substraction along with a boolean indicating
/// Returns a tuple of the subtraction along with a boolean indicating
/// whether an arithmetic overflow would occur. If an overflow would
/// have occurred then the wrapped value is returned.
///