Split out from_u32_unchecked from const_char_convert

It relies on the Option::unwrap function which is not const-stable (yet).
matthiaskrgr · Sep 29, 2022 · 12c15a2 · 12c15a2
1 parent 8a497b7
commit 12c15a2
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Showing 4 changed files with 3 additions and 3 deletions.
diff --git a/library/core/src/char/convert.rs b/library/core/src/char/convert.rs
@@ -18,7 +18,6 @@ pub(super) const fn from_u32(i: u32) -> Option<char> {
 }
 
 /// Converts a `u32` to a `char`, ignoring validity. See [`char::from_u32_unchecked`].
-#[rustc_const_unstable(feature = "const_char_convert", issue = "89259")]
 #[inline]
 #[must_use]
 pub(super) const unsafe fn from_u32_unchecked(i: u32) -> char {

diff --git a/library/core/src/char/methods.rs b/library/core/src/char/methods.rs
@@ -183,7 +183,7 @@ impl char {
     /// assert_eq!('❤', c);
     /// ```
     #[stable(feature = "assoc_char_funcs", since = "1.52.0")]
-    #[rustc_const_unstable(feature = "const_char_convert", issue = "89259")]
+    #[rustc_const_unstable(feature = "const_char_from_u32_unchecked", issue = "89259")]
     #[must_use]
     #[inline]
     pub const unsafe fn from_u32_unchecked(i: u32) -> char {

diff --git a/library/core/src/char/mod.rs b/library/core/src/char/mod.rs
@@ -120,7 +120,7 @@ pub const fn from_u32(i: u32) -> Option<char> {
 /// Converts a `u32` to a `char`, ignoring validity. Use [`char::from_u32_unchecked`].
 /// instead.
 #[stable(feature = "char_from_unchecked", since = "1.5.0")]
-#[rustc_const_unstable(feature = "const_char_convert", issue = "89259")]
+#[rustc_const_unstable(feature = "const_char_from_u32_unchecked", issue = "89259")]
 #[must_use]
 #[inline]
 pub const unsafe fn from_u32_unchecked(i: u32) -> char {

diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
@@ -105,6 +105,7 @@
 #![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)]
 #![feature(const_discriminant)]