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| author | Kornel <kornel@geekhood.net> | 2020-03-24 13:33:35 +0000 |
|---|---|---|
| committer | Kornel <kornel@geekhood.net> | 2020-03-24 17:35:40 +0000 |
| commit | 42b10e51c18ad37f671dc289aa0f183d4dbceab9 (patch) | |
| tree | 61b09b23fd2e88dcd3f7234017304adefca17df6 /src/liballoc/string.rs | |
| parent | 374ab25585f0a817fe7bd6986737f12347b12d0b (diff) | |
| download | rust-42b10e51c18ad37f671dc289aa0f183d4dbceab9.tar.gz rust-42b10e51c18ad37f671dc289aa0f183d4dbceab9.zip | |
must_use on split_off
#70194
Diffstat (limited to 'src/liballoc/string.rs')
| -rw-r--r-- | src/liballoc/string.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs index 0e48f1548e6..7c89d38caa4 100644 --- a/src/liballoc/string.rs +++ b/src/liballoc/string.rs @@ -1461,6 +1461,7 @@ impl String { /// ``` #[inline] #[stable(feature = "string_split_off", since = "1.16.0")] + #[must_use = "use `.truncate()` if you don't need the other half"] pub fn split_off(&mut self, at: usize) -> String { assert!(self.is_char_boundary(at)); let other = self.vec.split_off(at); |