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Implement AsRef<[T]> for List<T>

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Santiago Pastorino 2019-10-15 12:55:39 -03:00
parent e413dc36a8
commit fa3a4aeae5
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1 changed files with 7 additions and 0 deletions
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7
src/librustc/ty/mod.rs
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@ -700,6 +700,13 @@ impl<T> Deref for List<T> {
type Target = [T];
#[inline(always)]
fn deref(&self) -> &[T] {
self.as_ref()
}
}
impl<T> AsRef<[T]> for List<T> {
#[inline(always)]
fn as_ref(&self) -> &[T] {
unsafe {
slice::from_raw_parts(self.data.as_ptr(), self.len)
}