golang 工具函数｜数组切分

func SafeSliceCutInterface(sli interface{}, start, end int) interface{} {
	if start < 0 || end <= 0 || start > end {
		return nil
	}

	// check slice type
	sliV := reflect.ValueOf(sli)
	if sliV.Kind() != reflect.Slice {
		return nil
	}

	sliLen := sliV.Len()
	if sliLen == 0 {
		return nil
	}

	if start > sliLen {
		return nil
	}

	if end > sliLen {
		return sliV.Slice(start, sliLen).Interface() //note:reflect.Value convert to interface
	}

	return sliV.Slice(start, end).Interface()
}