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Implement Neg only for signed Saturating types

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This commit is contained in:
Michael Watzko 2021-08-12 13:43:20 +02:00
parent 7861121ae4
commit f136eea97c
1 changed files with 11 additions and 11 deletions
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22
library/core/src/num/saturating.rs
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@ -384,17 +384,6 @@ macro_rules! saturating_impl {
} }
forward_ref_op_assign! { impl BitAndAssign, bitand_assign for Saturating<$t>, Saturating<$t> } forward_ref_op_assign! { impl BitAndAssign, bitand_assign for Saturating<$t>, Saturating<$t> }
#[unstable(feature = "saturating_int_impl", issue = "87920")]
impl Neg for Saturating<$t> {
type Output = Self;
#[inline]
fn neg(self) -> Self {
Saturating(0) - self
}
}
forward_ref_unop! { impl Neg, neg for Saturating<$t>,
#[unstable(feature = "saturating_int_impl", issue = "87920")] }
)*) )*)
} }
@ -864,6 +853,17 @@ macro_rules! saturating_int_impl_signed {
self.0.is_negative() self.0.is_negative()
} }
} }
#[unstable(feature = "saturating_int_impl", issue = "87920")]
impl Neg for Saturating<$t> {
type Output = Self;
#[inline]
fn neg(self) -> Self {
Saturating(self.0.saturating_neg())
}
}
forward_ref_unop! { impl Neg, neg for Saturating<$t>,
#[unstable(feature = "saturating_int_impl", issue = "87920")] }
)*) )*)
} }