github.com/cs3org/reva/v2@v2.27.7/pkg/storage/utils/indexer/helper.go

// Copyright 2018-2022 CERN
//
// 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.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.

package indexer

// dedup removes duplicate values in given slice
func dedup(s []string) []string {
	var out []string
	exists := make(map[string]bool)
	for _, ss := range s {
		if _, ok := exists[ss]; !ok {
			out = append(out, ss)
			exists[ss] = true
		}
	}
	return out
}