Stabilize const_char_convert

Author: est31

library/core/src/char/methods.rs

@@ -140,7 +140,7 @@ impl char {
     /// assert_eq!(None, c);
     /// ```
     #[stable(feature = "assoc_char_funcs", since = "1.52.0")]
-    #[rustc_const_unstable(feature = "const_char_convert", issue = "89259")]
+    #[rustc_const_stable(feature = "const_char_convert", since = "CURRENT_RUSTC_VERSION")]
     #[must_use]
     #[inline]
     pub const fn from_u32(i: u32) -> Option<char> {
@@ -241,7 +241,7 @@ impl char {
     /// let _c = char::from_digit(1, 37);
     /// ```
     #[stable(feature = "assoc_char_funcs", since = "1.52.0")]
-    #[rustc_const_unstable(feature = "const_char_convert", issue = "89259")]
+    #[rustc_const_stable(feature = "const_char_convert", since = "CURRENT_RUSTC_VERSION")]
     #[must_use]
     #[inline]
     pub const fn from_digit(num: u32, radix: u32) -> Option<char> {
@@ -338,7 +338,7 @@ impl char {
     /// let _ = '1'.to_digit(37);
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_unstable(feature = "const_char_convert", issue = "89259")]
+    #[rustc_const_stable(feature = "const_char_convert", since = "CURRENT_RUSTC_VERSION")]
     #[must_use = "this returns the result of the operation, \
                   without modifying the original"]
     #[inline]

library/core/src/char/mod.rs

@@ -110,7 +110,7 @@ pub fn decode_utf16<I: IntoIterator<Item = u16>>(iter: I) -> DecodeUtf16<I::Into
 
 /// Converts a `u32` to a `char`. Use [`char::from_u32`] instead.
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_char_convert", issue = "89259")]
+#[rustc_const_stable(feature = "const_char_convert", since = "CURRENT_RUSTC_VERSION")]
 #[must_use]
 #[inline]
 pub const fn from_u32(i: u32) -> Option<char> {
@@ -130,7 +130,7 @@ pub const unsafe fn from_u32_unchecked(i: u32) -> char {
 
 /// Converts a digit in the given radix to a `char`. Use [`char::from_digit`] instead.
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_const_unstable(feature = "const_char_convert", issue = "89259")]
+#[rustc_const_stable(feature = "const_char_convert", since = "CURRENT_RUSTC_VERSION")]
 #[must_use]
 #[inline]
 pub const fn from_digit(num: u32, radix: u32) -> Option<char> {

library/core/src/lib.rs

@@ -104,7 +104,6 @@
 #![feature(const_black_box)]
 #![feature(const_caller_location)]
 #![feature(const_cell_into_inner)]
-#![feature(const_char_convert)]
 #![feature(const_char_from_u32_unchecked)]
 #![feature(const_clone)]
 #![feature(const_cmp)]