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collections.go
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/
collections.go
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package util
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
// CopyMap makes a "deep-ish" copy of the map passed to it. This will only
// deeply copy the map itself; this means that if the map values are references
// or structures containing references, those are only being shallowly copied!
func CopyMap[T comparable, U any](original map[T]U) map[T]U {
newMap := make(map[T]U, len(original))
for k, v := range original {
newMap[k] = v
}
return newMap
}