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Rollup merge of #50170 - burtonageo:more_cow_from, r=alexcrichton

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Implement From for more types on Cow

This is basically https://github.com/rust-lang/rust/pull/48191, except that it should be implemented in a way that doesn't break third party crates.
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kennytm 2018-05-17 05:22:07 +08:00
commit 8366780164
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16
src/libstd/path.rs
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@ -1504,6 +1504,22 @@ impl<'a> From<PathBuf> for Cow<'a, Path> {
}
}
#[stable(feature = "cow_from_pathbuf_ref", since = "1.28.0")]
impl<'a> From<&'a PathBuf> for Cow<'a, Path> {
#[inline]
fn from(p: &'a PathBuf) -> Cow<'a, Path> {
Cow::Borrowed(p.as_path())
}
}
#[stable(feature = "pathbuf_from_cow_path", since = "1.28.0")]
impl<'a> From<Cow<'a, Path>> for PathBuf {
#[inline]
fn from(p: Cow<'a, Path>) -> Self {
p.into_owned()
}
}
#[stable(feature = "shared_from_slice2", since = "1.24.0")]
impl From<PathBuf> for Arc<Path> {
#[inline]