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Auto merge of #82919 - bstrie:stabchar, r=dtolnay
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.
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@ -25,7 +25,6 @@
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![feature(array_windows)]
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#![feature(assert_matches)]
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#![feature(assoc_char_funcs)]
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#![feature(backtrace)]
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#![feature(bool_to_option)]
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#![feature(box_patterns)]
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@ -18,7 +18,7 @@ impl char {
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///
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/// [Unicode Scalar Value]: http://www.unicode.org/glossary/#unicode_scalar_value
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/// [Code Point]: http://www.unicode.org/glossary/#code_point
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#[unstable(feature = "assoc_char_consts", reason = "recently added", issue = "71763")]
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#[stable(feature = "assoc_char_consts", since = "1.52.0")]
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pub const MAX: char = '\u{10ffff}';
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/// `U+FFFD REPLACEMENT CHARACTER` (<28>) is used in Unicode to represent a
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@ -26,7 +26,7 @@ impl char {
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///
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/// It can occur, for example, when giving ill-formed UTF-8 bytes to
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/// [`String::from_utf8_lossy`](string/struct.String.html#method.from_utf8_lossy).
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#[unstable(feature = "assoc_char_consts", reason = "recently added", issue = "71763")]
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#[stable(feature = "assoc_char_consts", since = "1.52.0")]
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pub const REPLACEMENT_CHARACTER: char = '\u{FFFD}';
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/// The version of [Unicode](http://www.unicode.org/) that the Unicode parts of
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@ -39,7 +39,7 @@ impl char {
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///
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/// The version numbering scheme is explained in
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/// [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).
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#[unstable(feature = "assoc_char_consts", reason = "recently added", issue = "71763")]
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#[stable(feature = "assoc_char_consts", since = "1.52.0")]
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pub const UNICODE_VERSION: (u8, u8, u8) = crate::unicode::UNICODE_VERSION;
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/// Creates an iterator over the UTF-16 encoded code points in `iter`,
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@ -88,7 +88,7 @@ impl char {
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/// "𝄞mus<75>ic<69>"
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/// );
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/// ```
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#[unstable(feature = "assoc_char_funcs", reason = "recently added", issue = "71763")]
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#[stable(feature = "assoc_char_funcs", since = "1.52.0")]
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#[inline]
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pub fn decode_utf16<I: IntoIterator<Item = u16>>(iter: I) -> DecodeUtf16<I::IntoIter> {
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super::decode::decode_utf16(iter)
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@ -136,7 +136,7 @@ impl char {
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///
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/// assert_eq!(None, c);
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/// ```
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#[unstable(feature = "assoc_char_funcs", reason = "recently added", issue = "71763")]
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#[stable(feature = "assoc_char_funcs", since = "1.52.0")]
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#[inline]
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pub fn from_u32(i: u32) -> Option<char> {
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super::convert::from_u32(i)
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@ -177,7 +177,7 @@ impl char {
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///
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/// assert_eq!('❤', c);
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/// ```
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#[unstable(feature = "assoc_char_funcs", reason = "recently added", issue = "71763")]
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#[stable(feature = "assoc_char_funcs", since = "1.52.0")]
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#[inline]
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pub unsafe fn from_u32_unchecked(i: u32) -> char {
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// SAFETY: the safety contract must be upheld by the caller.
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@ -233,7 +233,7 @@ impl char {
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/// // this panics
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/// char::from_digit(1, 37);
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/// ```
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#[unstable(feature = "assoc_char_funcs", reason = "recently added", issue = "71763")]
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#[stable(feature = "assoc_char_funcs", since = "1.52.0")]
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#[inline]
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pub fn from_digit(num: u32, radix: u32) -> Option<char> {
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super::convert::from_digit(num, radix)
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