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slice.go
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34 lines (30 loc) · 1.02 KB
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/*
* Copyright 2018 The CovenantSQL 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 utils
// RemoveDuplicatesUnordered de-duplicate elements in string slice.
func RemoveDuplicatesUnordered(elements []string) []string {
encountered := map[string]bool{}
// Create a map of all unique elements.
for v := range elements {
encountered[elements[v]] = true
}
// Place all keys from the map into a slice.
var result []string
for key := range encountered {
result = append(result, key)
}
return result
}