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Rearrange impl blocks with Deref as first 

The other blocks depends on Deref to make it easier for readers when
reimplementing or reading the implementations.
This commit is contained in:
Ivan Tham 2020-05-31 17:16:47 +08:00
parent b6fa392238
commit 79449986b7
1 changed files with 16 additions and 16 deletions
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32
src/liballoc/vec.rs
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@ -1900,6 +1900,22 @@ unsafe impl<T: ?Sized> IsZero for Option<Box<T>> {
// Common trait implementations for Vec
////////////////////////////////////////////////////////////////////////////////
#[stable(feature = "rust1", since = "1.0.0")]
impl<T> ops::Deref for Vec<T> {
type Target = [T];
fn deref(&self) -> &[T] {
unsafe { slice::from_raw_parts(self.as_ptr(), self.len) }
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T> ops::DerefMut for Vec<T> {
fn deref_mut(&mut self) -> &mut [T] {
unsafe { slice::from_raw_parts_mut(self.as_mut_ptr(), self.len) }
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: Clone> Clone for Vec<T> {
#[cfg(not(test))]
@ -1955,22 +1971,6 @@ impl<T, I: SliceIndex<[T]>> IndexMut<I> for Vec<T> {
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T> ops::Deref for Vec<T> {
type Target = [T];
fn deref(&self) -> &[T] {
unsafe { slice::from_raw_parts(self.as_ptr(), self.len) }
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T> ops::DerefMut for Vec<T> {
fn deref_mut(&mut self) -> &mut [T] {
unsafe { slice::from_raw_parts_mut(self.as_mut_ptr(), self.len) }
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T> FromIterator<T> for Vec<T> {
#[inline]