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| author | YOSHIOKA Takuma <nop_thread@nops.red> | 2022-08-10 01:51:38 +0900 |
|---|---|---|
| committer | YOSHIOKA Takuma <nop_thread@nops.red> | 2022-08-10 01:51:38 +0900 |
| commit | 2bb7e1e6edf58c39faabb67cfab63dd8109d8055 (patch) | |
| tree | 23f38608220364faa9a7b8887c70ca10d3cec27c /library/std/src/sys_common | |
| parent | cc4dd6fc9f1a5c798df269933c7e442b79661a86 (diff) | |
| download | rust-2bb7e1e6edf58c39faabb67cfab63dd8109d8055.tar.gz rust-2bb7e1e6edf58c39faabb67cfab63dd8109d8055.zip | |
Guarantee `try_reserve` preserves the contents on error
Update doc comments to make the guarantee explicit. However, some implementations does not have the statement though. * `HashMap`, `HashSet`: require guarantees on hashbrown side. * `PathBuf`: simply redirecting to `OsString`. Fixes #99606.
Diffstat (limited to 'library/std/src/sys_common')
| -rw-r--r-- | library/std/src/sys_common/wtf8.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/library/std/src/sys_common/wtf8.rs b/library/std/src/sys_common/wtf8.rs index 57fa4989358..33e20756163 100644 --- a/library/std/src/sys_common/wtf8.rs +++ b/library/std/src/sys_common/wtf8.rs @@ -236,7 +236,8 @@ impl Wtf8Buf { /// in the given `Wtf8Buf`. The `Wtf8Buf` may reserve more space to avoid /// frequent reallocations. After calling `try_reserve`, capacity will be /// greater than or equal to `self.len() + additional`. Does nothing if - /// capacity is already sufficient. + /// capacity is already sufficient. This method preserves the contents even + /// if an error occurs. /// /// # Errors /// |