Make char::is_lowercase and char::is_uppercase const

Implements #101400.
2022-09-02 20:52:28 -07:00
parent b11bf65e4a
commit 4a3e169da7
5 changed files with 55 additions and 27 deletions
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -143,6 +143,7 @@
 #![feature(const_type_id)]
 #![feature(const_type_name)]
 #![feature(const_default_impls)]
+#![feature(const_unicode_case_lookup)]
 #![feature(const_unsafecell_get_mut)]
 #![feature(core_panic)]
 #![feature(duration_consts_float)]