mirror of
https://github.com/matrix-org/dendrite.git
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45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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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 mapsutil
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// Union two maps together with "b" overriding the values of "a"
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// if the keys collide.
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func MapsUnion(a map[string]interface{}, b map[string]interface{}) map[string]interface{} {
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c := make(map[string]interface{})
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for k, v := range a {
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c[k] = v
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}
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for k, v := range b {
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c[k] = v
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}
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return c
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}
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// Make a copy of the map
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func MapCopy(m map[string]interface{}) map[string]interface{} {
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cp := make(map[string]interface{})
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for k, v := range m {
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vm, ok := v.(map[string]interface{})
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if ok {
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cp[k] = MapCopy(vm)
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} else {
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cp[k] = v
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}
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}
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return cp
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}
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