Function GetPointer

internal/util/util.go:22–46

GetPointer return the pointer of the interface.

(v any)

// GetPointer return the pointer of the interface.
func GetPointer(v any) any {
	t := reflect.TypeOf(v)
	if t.Kind() == reflect.Ptr {
		if tt := t.Elem(); tt.Kind() == reflect.Ptr { // pointer of pointer
			if tt.Elem().Kind() == reflect.Ptr {
				panic("pointer of pointer of pointer is not supported")
			}
			el := reflect.ValueOf(v).Elem()
			if el.IsZero() {
				vv := reflect.New(tt.Elem())
				el.Set(vv)
				return vv.Interface()
			} else {
				return el.Interface()
			}
		} else {
			if reflect.ValueOf(v).IsZero() {
				vv := reflect.New(t.Elem())
				return vv.Interface()
			}
			return v
		}
	}
	return reflect.New(t).Interface()
}

// GetType return the underlying type.
func GetType(v any) reflect.Type {