mirror of
https://github.com/gravitational/teleport.git
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38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
/*
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* Teleport
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* Copyright (C) 2024 Gravitational, 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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*/
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package utils
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// Combinations yields all unique sub-slices of the input slice.
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func Combinations(verbs []string) [][]string {
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var result [][]string
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length := len(verbs)
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for i := range 1 << length {
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subslice := make([]string, 0)
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for j := range length {
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if i&(1<<j) != 0 {
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subslice = append(subslice, verbs[j])
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}
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}
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result = append(result, subslice)
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}
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return result
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}
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