add MAX_LEN_UTF8 and MAX_LEN_UTF16 constants

2024-02-02 20:49:20 +08:00
parent a5db378dc1
commit eec49bbf59
14 changed files with 49 additions and 18 deletions
--- a/library/std/src/lib.rs
+++ b/library/std/src/lib.rs
@@ -281,6 +281,7 @@
 #![feature(cfg_sanitizer_cfi)]
 #![feature(cfg_target_thread_local)]
 #![feature(cfi_encoding)]
+#![feature(char_max_len)]
 #![feature(concat_idents)]
 #![feature(decl_macro)]
 #![feature(deprecated_suggestion)]