函数

func RemoveDuplicates(slice interface{
    
    }) interface{
    
    } {
    
    
	encountered := make(map[interface{
    
    }]bool)
	resultSlice := reflect.MakeSlice(reflect.TypeOf(slice), 0, 0)

	valSlice := reflect.ValueOf(slice)
	for i := 0; i < valSlice.Len(); i++ {
    
    
		val := valSlice.Index(i)
		if !encountered[val.Interface()] {
    
    
			encountered[val.Interface()] = true
			resultSlice = reflect.Append(resultSlice, val)
		}
	}

	return resultSlice.Interface()
}

单元测试

func TestRemoveDuplicates(t *testing.T) {
    
    
	intSlice := []int{
    
    1, 2, 3, 4, 3, 2, 1}
	uniqueInts := RemoveDuplicates(intSlice).([]int)
	fmt.Println(intSlice)
	fmt.Println(uniqueInts) // Output: [1 2 3 4]

	stringSlice := []string{
    
    "apple", "banana", "apple", "orange", "banana"}
	uniqueStrings := RemoveDuplicates(stringSlice).([]string)
	fmt.Println(stringSlice)
	fmt.Println(uniqueStrings) // Output: [apple banana orange]
}