63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
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// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package dupe
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type Copyable interface {
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Copy() interface{}
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}
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type Cloneable interface {
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Clone() interface{}
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}
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func Duplicate(v interface{}) interface{} {
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switch x := v.(type) {
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case map[string]interface{}:
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out := make(map[string]interface{}, len(x))
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for k, v := range x {
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switch y := v.(type) {
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case map[string]interface{}:
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out[k] = Duplicate(y)
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case []interface{}:
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out[k] = Duplicate(y)
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default:
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out[k] = y
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}
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}
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return out
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case []interface{}:
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out := make([]interface{}, len(x))
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for k, v := range x {
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switch y := v.(type) {
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case map[string]interface{}:
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out[k] = Duplicate(y)
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case []interface{}:
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out[k] = Duplicate(y)
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default:
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out[k] = y
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}
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}
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return out
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case Cloneable:
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return x.Clone()
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case Copyable:
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return x.Copy()
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default:
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return x
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}
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}
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