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Better docs for copy_from_slice & clone_from_slice #51701

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Merged
merged 5 commits into from
Jul 11, 2018
Merged

Better docs for copy_from_slice & clone_from_slice #51701

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4eca247
Add explanation for (copy, clone)_from_slice
anirudhb Jun 22, 2018
57f7f22
Make line-breaking more consistent.
anirudhb Jun 24, 2018
c95fba7
Nit: Remove leading whitespace
anirudhb Jun 27, 2018
c90a821
Add "or destination" to {copy, clone}_from_slice example
anirudhb Jul 9, 2018
4b51484
Change wording for {copy, clone}_from_slice
anirudhb Jul 10, 2018
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6 changes: 6 additions & 0 deletions src/libcore/slice/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1541,6 +1541,9 @@ impl<T> [T] {
/// let src = [1, 2, 3, 4];
/// let mut dst = [0, 0];
///
/// // Because the slices have to be the same length,
/// // we slice the source slice from four elements
/// // to two. It will panic if we don't do this.
/// dst.clone_from_slice(&src[2..]);
///
/// assert_eq!(src, [1, 2, 3, 4]);
Expand Down Expand Up @@ -1607,6 +1610,9 @@ impl<T> [T] {
/// let src = [1, 2, 3, 4];
/// let mut dst = [0, 0];
///
/// // Because the slices have to be the same length,
/// // we slice the source slice from four elements
/// // to two. It will panic if we don't do this.
/// dst.copy_from_slice(&src[2..]);
///
/// assert_eq!(src, [1, 2, 3, 4]);
Expand Down