diff options
Diffstat (limited to 'src/liballoc/str.rs')
| -rw-r--r-- | src/liballoc/str.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/liballoc/str.rs b/src/liballoc/str.rs index cac94edf649..0cbe65db53c 100644 --- a/src/liballoc/str.rs +++ b/src/liballoc/str.rs @@ -207,6 +207,7 @@ impl str { /// let s = "this is old"; /// assert_eq!(s, s.replace("cookie monster", "little lamb")); /// ``` + #[must_use] #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn replace<'a, P: Pattern<'a>>(&'a self, from: P, to: &str) -> String { @@ -246,6 +247,7 @@ impl str { /// let s = "this is old"; /// assert_eq!(s, s.replacen("cookie monster", "little lamb", 10)); /// ``` + #[must_use] #[stable(feature = "str_replacen", since = "1.16.0")] pub fn replacen<'a, P: Pattern<'a>>(&'a self, pat: P, to: &str, count: usize) -> String { // Hope to reduce the times of re-allocation |