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tpl/collections: Add support for interfaces to intersect

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Fixes #1952
This commit is contained in:
Cameron Moore
2017-05-01 21:25:39 -05:00
committed by Bjørn Erik Pedersen
parent 93b3b13867
commit f1c29b017b
3 changed files with 91 additions and 21 deletions
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34
tpl/collections/collections_test.go
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@@ -260,7 +260,9 @@ func TestIntersect(t *testing.T) {
{[]string{"a", "b"}, []string{"a", "b", "c"}, []string{"a", "b"}},
{[]string{"a", "b", "c"}, []string{"d", "e"}, []string{}},
{[]string{}, []string{}, []string{}},
{nil, nil, make([]interface{}, 0)},
{[]string{"a", "b"}, nil, []interface{}{}},
{nil, []string{"a", "b"}, []interface{}{}},
{nil, nil, []interface{}{}},
{[]string{"1", "2"}, []int{1, 2}, []string{}},
{[]int{1, 2}, []string{"1", "2"}, []int{}},
{[]int{1, 2, 4}, []int{2, 4}, []int{2, 4}},
@@ -270,6 +272,36 @@ func TestIntersect(t *testing.T) {
// errors
{"not array or slice", []string{"a"}, false},
{[]string{"a"}, "not array or slice", false},
// []interface{} ∩ []interface{}
{[]interface{}{"a", "b", "c"}, []interface{}{"a", "b", "b"}, []interface{}{"a", "b"}},
{[]interface{}{1, 2, 3}, []interface{}{1, 2, 2}, []interface{}{1, 2}},
{[]interface{}{int8(1), int8(2), int8(3)}, []interface{}{int8(1), int8(2), int8(2)}, []interface{}{int8(1), int8(2)}},
{[]interface{}{int16(1), int16(2), int16(3)}, []interface{}{int16(1), int16(2), int16(2)}, []interface{}{int16(1), int16(2)}},
{[]interface{}{int32(1), int32(2), int32(3)}, []interface{}{int32(1), int32(2), int32(2)}, []interface{}{int32(1), int32(2)}},
{[]interface{}{int64(1), int64(2), int64(3)}, []interface{}{int64(1), int64(2), int64(2)}, []interface{}{int64(1), int64(2)}},
{[]interface{}{float32(1), float32(2), float32(3)}, []interface{}{float32(1), float32(2), float32(2)}, []interface{}{float32(1), float32(2)}},
{[]interface{}{float64(1), float64(2), float64(3)}, []interface{}{float64(1), float64(2), float64(2)}, []interface{}{float64(1), float64(2)}},
// []interface{} ∩ []T
{[]interface{}{"a", "b", "c"}, []string{"a", "b", "b"}, []interface{}{"a", "b"}},
{[]interface{}{1, 2, 3}, []int{1, 2, 2}, []interface{}{1, 2}},
{[]interface{}{int8(1), int8(2), int8(3)}, []int8{1, 2, 2}, []interface{}{int8(1), int8(2)}},
{[]interface{}{int16(1), int16(2), int16(3)}, []int16{1, 2, 2}, []interface{}{int16(1), int16(2)}},
{[]interface{}{int32(1), int32(2), int32(3)}, []int32{1, 2, 2}, []interface{}{int32(1), int32(2)}},
{[]interface{}{int64(1), int64(2), int64(3)}, []int64{1, 2, 2}, []interface{}{int64(1), int64(2)}},
{[]interface{}{float32(1), float32(2), float32(3)}, []float32{1, 2, 2}, []interface{}{float32(1), float32(2)}},
{[]interface{}{float64(1), float64(2), float64(3)}, []float64{1, 2, 2}, []interface{}{float64(1), float64(2)}},
// []T ∩ []interface{}
{[]string{"a", "b", "c"}, []interface{}{"a", "b", "b"}, []string{"a", "b"}},
{[]int{1, 2, 3}, []interface{}{1, 2, 2}, []int{1, 2}},
{[]int8{1, 2, 3}, []interface{}{int8(1), int8(2), int8(2)}, []int8{1, 2}},
{[]int16{1, 2, 3}, []interface{}{int16(1), int16(2), int16(2)}, []int16{1, 2}},
{[]int32{1, 2, 3}, []interface{}{int32(1), int32(2), int32(2)}, []int32{1, 2}},
{[]int64{1, 2, 3}, []interface{}{int64(1), int64(2), int64(2)}, []int64{1, 2}},
{[]float32{1, 2, 3}, []interface{}{float32(1), float32(2), float32(2)}, []float32{1, 2}},
{[]float64{1, 2, 3}, []interface{}{float64(1), float64(2), float64(2)}, []float64{1, 2}},
} {
errMsg := fmt.Sprintf("[%d] %v", i, test)