33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
// This file is part of MinIO Kubernetes Cloud
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// Copyright (c) 2020 MinIO, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package restapi
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// DifferenceArrays returns the elements in `a` that aren't in `b`.
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func DifferenceArrays(a, b []string) []string {
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mb := make(map[string]struct{}, len(b))
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for _, x := range b {
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mb[x] = struct{}{}
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}
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var diff []string
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for _, x := range a {
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if _, found := mb[x]; !found {
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diff = append(diff, x)
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}
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}
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return diff
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}
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