Put fn in the right place.

This commit is contained in:
Finn Bear 2022-10-19 19:15:58 -07:00
parent f81cd87eea
commit 4f44d6253d

View File

@ -1849,6 +1849,35 @@ impl String {
let slice = self.vec.into_boxed_slice();
unsafe { from_boxed_utf8_unchecked(slice) }
}
/// Consumes and leaks the `String`, returning a mutable reference to the contents,
/// `&'a mut str`.
///
/// This is mainly useful for data that lives for the remainder of
/// the program's life. Dropping the returned reference will cause a memory
/// leak.
///
/// It does not reallocate or shrink the `String`,
/// so the leaked allocation may include unused capacity that is not part
/// of the returned slice.
///
/// # Examples
///
/// Simple usage:
///
/// ```
/// #![feature(string_leak)]
///
/// let x = String::from("bucket");
/// let static_ref: &'static mut str = x.leak();
/// assert_eq!(static_ref, "bucket");
/// ```
#[unstable(feature = "string_leak", issue = "102929")]
#[inline]
pub fn leak(self) -> &'static mut str {
let slice = self.vec.leak();
unsafe { from_utf8_unchecked_mut(slice) }
}
}
impl FromUtf8Error {
@ -2691,35 +2720,6 @@ impl From<String> for Box<str> {
fn from(s: String) -> Box<str> {
s.into_boxed_str()
}
/// Consumes and leaks the `String`, returning a mutable reference to the contents,
/// `&'a mut str`.
///
/// This is mainly useful for data that lives for the remainder of
/// the program's life. Dropping the returned reference will cause a memory
/// leak.
///
/// It does not reallocate or shrink the `String`,
/// so the leaked allocation may include unused capacity that is not part
/// of the returned slice.
///
/// # Examples
///
/// Simple usage:
///
/// ```
/// #![feature(string_leak)]
///
/// let x = String::from("bucket");
/// let static_ref: &'static mut str = x.leak();
/// assert_eq!(static_ref, "bucket");
/// ```
#[unstable(feature = "string_leak", issue = "102929")]
#[inline]
pub fn leak(self) -> &'static mut str {
let slice = self.vec.leak();
unsafe { from_utf8_unchecked_mut(slice) }
}
}
#[cfg(not(no_global_oom_handling))]