Skip to content

implement OsString::truncate #133264

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Nov 23, 2024
Merged

implement OsString::truncate #133264

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 8 additions & 4 deletions library/std/src/ffi/os_str.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -550,11 +550,15 @@ impl OsString {
OsStr::from_inner_mut(self.inner.leak())
}

/// Provides plumbing to core `Vec::truncate`.
/// More well behaving alternative to allowing outer types
/// full mutable access to the core `Vec`.
/// Truncate the the `OsString` to the specified length.
///
/// # Panics
/// Panics if `len` does not lie on a valid `OsStr` boundary
/// (as described in [`OsStr::slice_encoded_bytes`]).
#[inline]
pub(crate) fn truncate(&mut self, len: usize) {
#[unstable(feature = "os_string_truncate", issue = "133262")]
pub fn truncate(&mut self, len: usize) {
self.as_os_str().inner.check_public_boundary(len);
self.inner.truncate(len);
}

Expand Down
Loading