/*
 *     Copyright 2020 The Dragonfly Authors
 *
 * Licensed 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.
 */

package maputils

// DeepCopyMap copies the src to dst and return a non-nil dst map.
func DeepCopyMap(dst, src map[string]string) map[string]string {
	if dst == nil {
		dst = make(map[string]string)
	}
	for k, v := range src {
		dst[k] = v
	}
	return dst
}