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Make spec_extend use for_each() #54761

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Oct 4, 2018
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Make spec_extend use for_each() #54761

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Make spec_extend use for_each()
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@Lucretiel
Lucretiel authored Oct 2, 2018
commit ec59188025582fd91ab868206cfb3f3f05e27ade
4 changes: 2 additions & 2 deletions src/liballoc/vec.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1822,12 +1822,12 @@ impl<T, I> SpecExtend<T, I> for Vec<T>
unsafe {
let mut ptr = self.as_mut_ptr().add(self.len());
let mut local_len = SetLenOnDrop::new(&mut self.len);
for element in iterator {
iterator.for_each(move |element| {
ptr::write(ptr, element);
ptr = ptr.offset(1);
// NB can't overflow since we would have had to alloc the address space
local_len.increment_len(1);
}
});
}
} else {
self.extend_desugared(iterator)
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