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Add try_reserve for OsString

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Signed-off-by: Xuanwo <github@xuanwo.io>
This commit is contained in:
Xuanwo
2021-12-28 11:28:05 +08:00
parent 4ee34f3551
commit c40ac57efb
2 changed files with 92 additions and 0 deletions
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11
library/std/src/sys/unix/os_str.rs
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@@ -2,6 +2,7 @@
//! systems: just a `Vec<u8>`/`[u8]`.
use crate::borrow::Cow;
use crate::collections::TryReserveError;
use crate::fmt;
use crate::fmt::Write;
use crate::mem;
@@ -112,11 +113,21 @@ impl Buf {
self.inner.reserve(additional)
}
#[inline]
pub fn try_reserve(&mut self, additional: usize) -> Result<(), TryReserveError> {
self.inner.try_reserve(additional)
}
#[inline]
pub fn reserve_exact(&mut self, additional: usize) {
self.inner.reserve_exact(additional)
}
#[inline]
pub fn try_reserve_exact(&mut self, additional: usize) -> Result<(), TryReserveError> {
self.inner.try_reserve_exact(additional)
}
#[inline]
pub fn shrink_to_fit(&mut self) {
self.inner.shrink_to_fit()