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Auto merge of #111044 - jmillikin:nonzero-negation, r=dtolnay 

Stabilize feature `nonzero_negation_ops`

Fixes #102443

ACP: https://github.com/rust-lang/libs-team/issues/105
This commit is contained in:
bors 2023-05-16 01:07:42 +00:00
parent ea54255501 bfa3e8add4
commit 76e79ca026
1 changed files with 12 additions and 18 deletions
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30
library/core/src/num/nonzero.rs
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@ -756,8 +756,6 @@ macro_rules! nonzero_signed_operations {
/// # Example
///
/// ```
/// #![feature(nonzero_negation_ops)]
///
#[doc = concat!("# use std::num::", stringify!($Ty), ";")]
/// # fn main() { test().unwrap(); }
/// # fn test() -> Option<()> {
@ -771,7 +769,8 @@ macro_rules! nonzero_signed_operations {
/// ```
#[must_use]
#[inline]
#[unstable(feature = "nonzero_negation_ops", issue = "102443")]
#[stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
#[rustc_const_stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
pub const fn is_positive(self) -> bool {
self.get().is_positive()
}
@ -782,8 +781,6 @@ macro_rules! nonzero_signed_operations {
/// # Example
///
/// ```
/// #![feature(nonzero_negation_ops)]
///
#[doc = concat!("# use std::num::", stringify!($Ty), ";")]
/// # fn main() { test().unwrap(); }
/// # fn test() -> Option<()> {
@ -797,7 +794,8 @@ macro_rules! nonzero_signed_operations {
/// ```
#[must_use]
#[inline]
#[unstable(feature = "nonzero_negation_ops", issue = "102443")]
#[stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
#[rustc_const_stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
pub const fn is_negative(self) -> bool {
self.get().is_negative()
}
@ -807,8 +805,6 @@ macro_rules! nonzero_signed_operations {
/// # Example
///
/// ```
/// #![feature(nonzero_negation_ops)]
///
#[doc = concat!("# use std::num::", stringify!($Ty), ";")]
/// # fn main() { test().unwrap(); }
/// # fn test() -> Option<()> {
@ -823,7 +819,8 @@ macro_rules! nonzero_signed_operations {
/// # }
/// ```
#[inline]
#[unstable(feature = "nonzero_negation_ops", issue = "102443")]
#[stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
#[rustc_const_stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
pub const fn checked_neg(self) -> Option<$Ty> {
if let Some(result) = self.get().checked_neg() {
// SAFETY: negation of nonzero cannot yield zero values.
@ -840,8 +837,6 @@ macro_rules! nonzero_signed_operations {
/// # Example
///
/// ```
/// #![feature(nonzero_negation_ops)]
///
#[doc = concat!("# use std::num::", stringify!($Ty), ";")]
/// # fn main() { test().unwrap(); }
/// # fn test() -> Option<()> {
@ -856,7 +851,8 @@ macro_rules! nonzero_signed_operations {
/// # }
/// ```
#[inline]
#[unstable(feature = "nonzero_negation_ops", issue = "102443")]
#[stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
#[rustc_const_stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
pub const fn overflowing_neg(self) -> ($Ty, bool) {
let (result, overflow) = self.get().overflowing_neg();
// SAFETY: negation of nonzero cannot yield zero values.
@ -869,8 +865,6 @@ macro_rules! nonzero_signed_operations {
/// # Example
///
/// ```
/// #![feature(nonzero_negation_ops)]
///
#[doc = concat!("# use std::num::", stringify!($Ty), ";")]
/// # fn main() { test().unwrap(); }
/// # fn test() -> Option<()> {
@ -890,7 +884,8 @@ macro_rules! nonzero_signed_operations {
/// # }
/// ```
#[inline]
#[unstable(feature = "nonzero_negation_ops", issue = "102443")]
#[stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
#[rustc_const_stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
pub const fn saturating_neg(self) -> $Ty {
if let Some(result) = self.checked_neg() {
return result;
@ -907,8 +902,6 @@ macro_rules! nonzero_signed_operations {
/// # Example
///
/// ```
/// #![feature(nonzero_negation_ops)]
///
#[doc = concat!("# use std::num::", stringify!($Ty), ";")]
/// # fn main() { test().unwrap(); }
/// # fn test() -> Option<()> {
@ -923,7 +916,8 @@ macro_rules! nonzero_signed_operations {
/// # }
/// ```
#[inline]
#[unstable(feature = "nonzero_negation_ops", issue = "102443")]
#[stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
#[rustc_const_stable(feature = "nonzero_negation_ops", since = "CURRENT_RUSTC_VERSION")]
pub const fn wrapping_neg(self) -> $Ty {
let result = self.get().wrapping_neg();
// SAFETY: negation of nonzero cannot yield zero values.