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Intersection duplicate removal #504

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Intersection duplicate removal #504

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300b4fc
Update string.go
liujundezhanghao Jul 17, 2024
5d11b9e
test
liujundezhanghao Jul 17, 2024
1f0fa6e
Intersection deweighting
liujundezhanghao Jul 23, 2024
663dbb4
Merge branch 'samber:master' into master
liujundezhanghao Jul 23, 2024
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1 change: 1 addition & 0 deletions intersect.go
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,7 @@ func Intersect[T comparable, Slice ~[]T](list1 Slice, list2 Slice) Slice {
for i := range list2 {
if _, ok := seen[list2[i]]; ok {
result = append(result, list2[i])
delete(seen, list2[i])
}
}

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2 changes: 2 additions & 0 deletions intersect_test.go
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Expand Up @@ -181,12 +181,14 @@ func TestIntersect(t *testing.T) {
result3 := Intersect([]int{0, 1, 2, 3, 4, 5}, []int{-1, 6})
result4 := Intersect([]int{0, 6}, []int{0, 1, 2, 3, 4, 5})
result5 := Intersect([]int{0, 6, 0}, []int{0, 1, 2, 3, 4, 5})
result6 := Intersect([]int{0, 1, 2, 3, 4, 5}, []int{0, 1, 1})

is.Equal(result1, []int{0, 2})
is.Equal(result2, []int{0})
is.Equal(result3, []int{})
is.Equal(result4, []int{0})
is.Equal(result5, []int{0})
is.Equal(result6, []int{0, 1})

type myStrings []string
allStrings := myStrings{"", "foo", "bar"}
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