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Simplify Div impl for Saturating by using saturating_div

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This commit is contained in:
Michael Watzko 2021-08-19 11:07:53 +02:00
parent a0e61e2780
commit 5ca6993307
1 changed files with 31 additions and 37 deletions
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68
library/core/src/num/saturating.rs
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@ -266,6 +266,37 @@ macro_rules! saturating_impl {
}
forward_ref_op_assign! { impl MulAssign, mul_assign for Saturating<$t>, Saturating<$t> }
/// # Examples
///
/// Basic usage:
///
/// ```
/// #![feature(saturating_int_impl, saturating_div)]
/// use std::num::Saturating;
///
#[doc = concat!("assert_eq!(Saturating(2", stringify!($t), "), Saturating(5", stringify!($t), ") / Saturating(2));")]
#[doc = concat!("assert_eq!(Saturating(", stringify!($t), "::MAX), Saturating(", stringify!($t), "::MAX) / Saturating(1));")]
#[doc = concat!("assert_eq!(Saturating(", stringify!($t), "::MIN), Saturating(", stringify!($t), "::MIN) / Saturating(1));")]
/// ```
///
/// ```should_panic
/// #![feature(saturating_int_impl, saturating_div)]
/// use std::num::Saturating;
///
#[doc = concat!("let _ = Saturating(0", stringify!($t), ") / Saturating(0);")]
/// ```
#[unstable(feature = "saturating_int_impl", issue = "87920")]
impl Div for Saturating<$t> {
type Output = Saturating<$t>;
#[inline]
fn div(self, other: Saturating<$t>) -> Saturating<$t> {
Saturating(self.0.saturating_div(other.0))
}
}
forward_ref_binop! { impl Div, div for Saturating<$t>, Saturating<$t>,
#[unstable(feature = "saturating_int_impl", issue = "87920")] }
#[unstable(feature = "saturating_int_impl", issue = "87920")]
impl DivAssign for Saturating<$t> {
#[inline]
@ -851,31 +882,6 @@ macro_rules! saturating_int_impl_signed {
}
forward_ref_unop! { impl Neg, neg for Saturating<$t>,
#[unstable(feature = "saturating_int_impl", issue = "87920")] }
/// # Examples
///
/// Basic usage:
///
/// ```
/// #![feature(saturating_int_impl)]
/// use std::num::Saturating;
///
#[doc = concat!("assert_eq!(Saturating(", stringify!($t), "::MIN + 1), Saturating(", stringify!($t), "::MAX) / Saturating(-1));")]
#[doc = concat!("assert_eq!(Saturating(", stringify!($t), "::MAX), Saturating(", stringify!($t), "::MIN) / Saturating(-1));")]
#[doc = concat!("assert_eq!(Saturating(", stringify!($t), "::MAX), Saturating(", stringify!($t), "::MAX) / Saturating(1));")]
#[doc = concat!("assert_eq!(Saturating(", stringify!($t), "::MIN), Saturating(", stringify!($t), "::MIN) / Saturating(1));")]
/// ```
#[unstable(feature = "saturating_int_impl", issue = "87920")]
impl Div for Saturating<$t> {
type Output = Saturating<$t>;
#[inline]
fn div(self, other: Saturating<$t>) -> Saturating<$t> {
Saturating(self.0.saturating_div(other.0))
}
}
forward_ref_binop! { impl Div, div for Saturating<$t>, Saturating<$t>,
#[unstable(feature = "saturating_int_impl", issue = "87920")] }
)*)
}
@ -924,18 +930,6 @@ macro_rules! saturating_int_impl_unsigned {
}
}
#[unstable(feature = "saturating_int_impl", issue = "87920")]
impl Div for Saturating<$t> {
type Output = Saturating<$t>;
#[inline]
fn div(self, other: Saturating<$t>) -> Saturating<$t> {
Saturating(self.0.div(other.0))
}
}
forward_ref_binop! { impl Div, div for Saturating<$t>, Saturating<$t>,
#[unstable(feature = "saturating_int_impl", issue = "87920")] }
)*)
}