Check if empty string came from global instance.

2021-09-27 11:09:19 +08:00
parent c4a00f5269
commit e963a7251c
3 changed files with 37 additions and 14 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,6 +43,7 @@ Enhancements

 * `SmartString` now uses `LazyCompact` instead of `Compact` to minimize allocations.
 * Added `pop` for strings.
+* Added `ImmutableString::ptr_eq` to test if two strings point to the same allocation.

 ### `Scope` API