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Avoid copy when convert owned String to Arc<str> #148406

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Avoid copy when convert owned String to Arc<str> #148406

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4 changes: 2 additions & 2 deletions library/alloc/src/sync.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3878,7 +3878,7 @@ impl From<&mut str> for Arc<str> {
#[cfg(not(no_global_oom_handling))]
#[stable(feature = "shared_from_slice", since = "1.21.0")]
impl From<String> for Arc<str> {
/// Allocates a reference-counted `str` and copies `v` into it.
/// Converts the given [`String`] to a shared reference-counted `str` slice.
///
/// # Example
///
Expand All @@ -3890,7 +3890,7 @@ impl From<String> for Arc<str> {
/// ```
#[inline]
fn from(v: String) -> Arc<str> {
Arc::from(&v[..])
Arc::from(v.into_boxed_str())
}
}

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