diff options
| -rw-r--r-- | library/core/src/char/methods.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/library/core/src/char/methods.rs b/library/core/src/char/methods.rs index bc5c7c32490..9d9a3b5132c 100644 --- a/library/core/src/char/methods.rs +++ b/library/core/src/char/methods.rs @@ -1277,8 +1277,9 @@ impl char { /// /// [`to_ascii_uppercase()`]: #method.to_ascii_uppercase #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")] + #[rustc_const_unstable(feature = "const_char_make_ascii", issue = "130698")] #[inline] - pub fn make_ascii_uppercase(&mut self) { + pub const fn make_ascii_uppercase(&mut self) { *self = self.to_ascii_uppercase(); } @@ -1302,8 +1303,9 @@ impl char { /// /// [`to_ascii_lowercase()`]: #method.to_ascii_lowercase #[stable(feature = "ascii_methods_on_intrinsics", since = "1.23.0")] + #[rustc_const_unstable(feature = "const_char_make_ascii", issue = "130698")] #[inline] - pub fn make_ascii_lowercase(&mut self) { + pub const fn make_ascii_lowercase(&mut self) { *self = self.to_ascii_lowercase(); } |