39 lines
950 B
Go
39 lines
950 B
Go
// Copyright 2018 The OpenPitrix Authors. All rights reserved.
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// Use of this source code is governed by a Apache license
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// that can be found in the LICENSE file.
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package reflectutil
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import "reflect"
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func In(value interface{}, container interface{}) bool {
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containerValue := reflect.ValueOf(container)
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switch reflect.TypeOf(container).Kind() {
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case reflect.Slice, reflect.Array:
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for i := 0; i < containerValue.Len(); i++ {
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if containerValue.Index(i).Interface() == value {
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return true
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}
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}
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case reflect.Map:
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if containerValue.MapIndex(reflect.ValueOf(value)).IsValid() {
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return true
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}
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default:
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return false
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}
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return false
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}
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func ValueIsNil(value reflect.Value) bool {
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k := value.Kind()
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switch k {
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case reflect.Chan, reflect.Func, reflect.Map, reflect.Ptr, reflect.Interface, reflect.Slice:
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return value.IsNil()
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case reflect.Invalid:
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return true
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}
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// base type had default value, is not nil
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return false
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}
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