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Borrow instead of move

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This commit is contained in:
Magnus Hoff 2017-11-16 15:52:32 +01:00
parent 29a6ec6725
commit b48816e143
1 changed files with 14 additions and 14 deletions
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28
src/merge.rs
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@ -34,16 +34,19 @@ impl ChunkItem {
}
}
struct MergeIterator<Item> {
left: Vec<diff::Result<Item>>,
right: Vec<diff::Result<Item>>,
struct MergeIterator<'a, Item>
where
Item: 'a
{
left: &'a [diff::Result<Item>],
right: &'a [diff::Result<Item>],
li: usize,
ri: usize,
}
impl<Item> MergeIterator<Item> {
fn new(left: Vec<diff::Result<Item>>, right: Vec<diff::Result<Item>>) -> MergeIterator<Item> {
impl<'a, Item> MergeIterator<'a, Item> {
fn new(left: &'a [diff::Result<Item>], right: &'a [diff::Result<Item>]) -> MergeIterator<'a, Item> {
MergeIterator {
left,
right,
@ -53,10 +56,7 @@ impl<Item> MergeIterator<Item> {
}
}
impl<Item> Iterator for MergeIterator<Item>
where
Item: ::std::fmt::Debug + PartialEq
{
impl<'a, Item> Iterator for MergeIterator<'a, Item> {
type Item = ChunkItem;
fn next(&mut self) -> Option<Self::Item> {
@ -123,7 +123,7 @@ mod test {
let oa = diff::chars(o, a);
let ob = diff::chars(o, b);
let merge = MergeIterator::new(oa, ob).collect::<Vec<_>>();
let merge = MergeIterator::new(&oa, &ob).collect::<Vec<_>>();
assert_eq!(vec![
ChunkItem::stable(Chunk(0..3, 0..3)),
ChunkItem::unstable(Chunk(3..6, 3..3)),
@ -142,7 +142,7 @@ mod test {
let oa = diff::chars(o, a);
let ob = diff::chars(o, b);
let merge = MergeIterator::new(oa, ob).collect::<Vec<_>>();
let merge = MergeIterator::new(&oa, &ob).collect::<Vec<_>>();
assert_eq!(vec![
ChunkItem::stable(Chunk(0..3, 0..3)),
ChunkItem::unstable(Chunk(3..9, 3..9)),
@ -159,7 +159,7 @@ mod test {
let oa = diff::chars(o, a);
let ob = diff::chars(o, b);
let merge = MergeIterator::new(oa, ob).collect::<Vec<_>>();
let merge = MergeIterator::new(&oa, &ob).collect::<Vec<_>>();
assert_eq!(vec![
ChunkItem::stable(Chunk(0..9, 0..9)),
ChunkItem::unstable(Chunk(9..9, 9..12)),
@ -175,7 +175,7 @@ mod test {
let oa = diff::chars(o, a);
let ob = diff::chars(o, b);
let merge = MergeIterator::new(oa, ob).collect::<Vec<_>>();
let merge = MergeIterator::new(&oa, &ob).collect::<Vec<_>>();
assert_eq!(vec![
ChunkItem::stable(Chunk(0..6, 0..6)),
ChunkItem::unstable(Chunk(6..9, 6..12)),
@ -191,7 +191,7 @@ mod test {
let oa = diff::chars(o, a);
let ob = diff::chars(o, b);
let merge = MergeIterator::new(oa, ob).collect::<Vec<_>>();
let merge = MergeIterator::new(&oa, &ob).collect::<Vec<_>>();
assert_eq!(vec![
ChunkItem::unstable(Chunk(0..6, 0..6)),
], merge);