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Implement clone_from for BTreeMap and BTreeSet #66648

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Merged
merged 7 commits into from
Jan 30, 2020
Merged

Implement clone_from for BTreeMap and BTreeSet #66648

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293cdf7
Make RangeMut::next_unchecked() output a mutable key reference
crgl Nov 22, 2019
f547978
Implement clone_from for BTree collections
crgl Nov 22, 2019
8651aa0
Add test for BTreeMap::clone_from
crgl Nov 22, 2019
3caa17b
Format safety comment as per tidy
crgl Jan 28, 2020
60a7c94
Include empty BTreeMap in clone_from tests
crgl Jan 28, 2020
81b6f8c
Add private is_empty method to RangeMut
crgl Jan 28, 2020
6c3e477
Reformat truncation section of clone_from
crgl Jan 28, 2020
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Include empty BTreeMap in clone_from tests
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@crgl
crgl committed Jan 28, 2020
commit 60a7c9421e78a29610e019b4030ca011bcd0bfd5
4 changes: 2 additions & 2 deletions src/liballoc/tests/btree/map.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -560,17 +560,17 @@ fn test_clone_from() {
let size = 30;

for i in 0..size {
map1.insert(i, 10 * i);
let mut map2 = BTreeMap::new();
for j in 0..i {
map2.insert(100 * j + 1, 2 * j + 1);
let mut map1_copy = map2.clone();
map1_copy.clone_from(&map1);
assert_eq!(map1_copy, map1);
let mut map2_copy = map1.clone();
map2_copy.clone_from(&map2);
assert_eq!(map2_copy, map2);
map2.insert(100 * j + 1, 2 * j + 1);
}
map1.insert(i, 10 * i);
}
}

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