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Auto merge of #82919 - bstrie:stabchar, r=dtolnay

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Stabilize `assoc_char_funcs` and `assoc_char_consts`

Stabilizes the following associated items on `char`:

* [`char::MAX`](https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.MAX)
* [`char::REPLACEMENT_CHARACTER`](https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.REPLACEMENT_CHARACTER)
* [`char::UNICODE_VERSION`](https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.UNICODE_VERSION)
* [`char::decode_utf16`](https://doc.rust-lang.org/std/primitive.char.html#method.decode_utf16)
* [`char::from_u32`](https://doc.rust-lang.org/std/primitive.char.html#method.from_u32)
* [`char::from_u32_unchecked`](https://doc.rust-lang.org/std/primitive.char.html#method.from_u32_unchecked)
* [`char::from_digit`](https://doc.rust-lang.org/std/primitive.char.html#method.from_digit)

Closes #71763.
This commit is contained in:
bors 2021-03-20 06:36:42 +00:00
commit eb9ec31168
2 changed files with 7 additions and 8 deletions
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1
compiler/rustc_middle/src/lib.rs
View File

@ -25,7 +25,6 @@
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![feature(array_windows)]
#![feature(assert_matches)]
#![feature(assoc_char_funcs)]
#![feature(backtrace)]
#![feature(bool_to_option)]
#![feature(box_patterns)]

14
library/core/src/char/methods.rs
View File

@ -18,7 +18,7 @@ impl char {
///
/// [Unicode Scalar Value]: http://www.unicode.org/glossary/#unicode_scalar_value
/// [Code Point]: http://www.unicode.org/glossary/#code_point
#[unstable(feature = "assoc_char_consts", reason = "recently added", issue = "71763")]
#[stable(feature = "assoc_char_consts", since = "1.52.0")]
pub const MAX: char = '\u{10ffff}';
/// `U+FFFD REPLACEMENT CHARACTER` (<28>) is used in Unicode to represent a
@ -26,7 +26,7 @@ impl char {
///
/// It can occur, for example, when giving ill-formed UTF-8 bytes to
/// [`String::from_utf8_lossy`](string/struct.String.html#method.from_utf8_lossy).
#[unstable(feature = "assoc_char_consts", reason = "recently added", issue = "71763")]
#[stable(feature = "assoc_char_consts", since = "1.52.0")]
pub const REPLACEMENT_CHARACTER: char = '\u{FFFD}';
/// The version of [Unicode](http://www.unicode.org/) that the Unicode parts of
@ -39,7 +39,7 @@ impl char {
///
/// The version numbering scheme is explained in
/// [Unicode 11.0 or later, Section 3.1 Versions of the Unicode Standard](https://www.unicode.org/versions/Unicode11.0.0/ch03.pdf#page=4).
#[unstable(feature = "assoc_char_consts", reason = "recently added", issue = "71763")]
#[stable(feature = "assoc_char_consts", since = "1.52.0")]
pub const UNICODE_VERSION: (u8, u8, u8) = crate::unicode::UNICODE_VERSION;
/// Creates an iterator over the UTF-16 encoded code points in `iter`,
@ -88,7 +88,7 @@ impl char {
/// "𝄞mus<75>ic<69>"
/// );
/// ```
#[unstable(feature = "assoc_char_funcs", reason = "recently added", issue = "71763")]
#[stable(feature = "assoc_char_funcs", since = "1.52.0")]
#[inline]
pub fn decode_utf16<I: IntoIterator<Item = u16>>(iter: I) -> DecodeUtf16<I::IntoIter> {
super::decode::decode_utf16(iter)
@ -136,7 +136,7 @@ impl char {
///
/// assert_eq!(None, c);
/// ```
#[unstable(feature = "assoc_char_funcs", reason = "recently added", issue = "71763")]
#[stable(feature = "assoc_char_funcs", since = "1.52.0")]
#[inline]
pub fn from_u32(i: u32) -> Option<char> {
super::convert::from_u32(i)
@ -177,7 +177,7 @@ impl char {
///
/// assert_eq!('❤', c);
/// ```
#[unstable(feature = "assoc_char_funcs", reason = "recently added", issue = "71763")]
#[stable(feature = "assoc_char_funcs", since = "1.52.0")]
#[inline]
pub unsafe fn from_u32_unchecked(i: u32) -> char {
// SAFETY: the safety contract must be upheld by the caller.
@ -233,7 +233,7 @@ impl char {
/// // this panics
/// char::from_digit(1, 37);
/// ```
#[unstable(feature = "assoc_char_funcs", reason = "recently added", issue = "71763")]
#[stable(feature = "assoc_char_funcs", since = "1.52.0")]
#[inline]
pub fn from_digit(num: u32, radix: u32) -> Option<char> {
super::convert::from_digit(num, radix)