Created
September 3, 2021 07:05
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| package util | |
| import "reflect" | |
| // UniqAny 去重 | |
| func UniqAny(arrs interface{}) interface{} { | |
| value := reflect.ValueOf(arrs) | |
| // input value must be a slice | |
| if value.Kind() != reflect.Slice { | |
| panic("input must be a slice") | |
| } | |
| src := reflect.ValueOf(arrs) | |
| dst := reflect.MakeSlice(src.Type(), 0, 0) | |
| checked := make(map[interface{}]struct{}) | |
| for i := 0; i < src.Len(); i++ { | |
| elemv := src.Index(i) | |
| if _, ok := checked[elemv.Interface()]; ok { | |
| continue | |
| } | |
| checked[elemv.Interface()] = struct{}{} | |
| dst = reflect.Append(dst, elemv) | |
| } | |
| return dst.Interface() | |
| } |
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| package util | |
| import "testing" | |
| func TestUniqAny(t *testing.T) { | |
| assert := assert.New(t) | |
| arr := []int64{1, 1} | |
| assert.Equal([]int64{1}, UniqAny(arr).([]int64)) | |
| type example struct { | |
| ID int64 | |
| Name string | |
| } | |
| arr2 := []example{ | |
| {ID: 1, Name: "1"}, | |
| {ID: 1, Name: "1"}, | |
| {ID: 2, Name: "1"}, | |
| } | |
| assert.Equal([]example{ | |
| {ID: 1, Name: "1"}, | |
| {ID: 2, Name: "1"}, | |
| }, UniqAny(arr2).([]example)) | |
| assert.PanicsWithValue("input must be a slice", func() { | |
| UniqAny("") | |
| }) | |
| } |
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