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-rw-r--r--library/std/src/sys_common/wtf8.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/std/src/sys_common/wtf8.rs b/library/std/src/sys_common/wtf8.rs
index f9ec112b197..50bde88b5a4 100644
--- a/library/std/src/sys_common/wtf8.rs
+++ b/library/std/src/sys_common/wtf8.rs
@@ -209,7 +209,7 @@ impl Wtf8Buf {
     ///
     /// Since WTF-8 is a superset of UTF-8, this always succeeds.
     #[inline]
-    pub fn from_string(string: String) -> Wtf8Buf {
+    pub const fn from_string(string: String) -> Wtf8Buf {
         Wtf8Buf { bytes: string.into_bytes(), is_known_utf8: true }
     }