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tpl/collections: Properly handle pointer types in complement/symdiff

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We cannot compare them by values, because that gets `hash of unhashable type` for the prime use case.
This commit is contained in:
Bjørn Erik Pedersen
2018-11-07 08:59:21 +01:00
parent d212f60949
commit 79a06aa4b6
3 changed files with 20 additions and 11 deletions
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8
tpl/collections/symdiff_test.go
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@@ -33,10 +33,10 @@ func TestSymDiff(t *testing.T) {
s1 := []TstX{TstX{A: "a"}, TstX{A: "b"}}
s2 := []TstX{TstX{A: "a"}, TstX{A: "e"}}
xa, xd := &TstX{A: "a"}, &TstX{A: "d"}
xa, xb, xd, xe := &StructWithSlice{A: "a"}, &StructWithSlice{A: "b"}, &StructWithSlice{A: "d"}, &StructWithSlice{A: "e"}
sp1 := []*TstX{xa, &TstX{A: "b"}, xd, &TstX{A: "e"}}
sp2 := []*TstX{&TstX{A: "b"}, &TstX{A: "e"}}
sp1 := []*StructWithSlice{xa, xb, xd, xe}
sp2 := []*StructWithSlice{xb, xe}
for i, test := range []struct {
s1 interface{}
@@ -49,7 +49,7 @@ func TestSymDiff(t *testing.T) {
{[]int{1, 2, 3}, []int{3, 4}, []int{1, 2, 4}},
{[]int{1, 2, 3}, []int64{3, 4}, []int{1, 2, 4}},
{s1, s2, []TstX{TstX{A: "b"}, TstX{A: "e"}}},
{sp1, sp2, []*TstX{xa, xd}},
{sp1, sp2, []*StructWithSlice{xa, xd}},
// Errors
{"error", "error", false},