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33 lines
678 B
Go
33 lines
678 B
Go
// Copyright 2020-2021 Clastix Labs
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// SPDX-License-Identifier: Apache-2.0
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package utils
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import (
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"sort"
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)
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type UserGroupList interface {
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Find(needle string) (found bool)
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}
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type userGroupList []string
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func NewUserGroupList(groups []string) UserGroupList {
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list := make(userGroupList, len(groups))
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for k, v := range groups {
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list[k] = v
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}
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sort.SliceStable(list, func(i, j int) bool {
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return list[i] < list[j]
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})
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return list
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}
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// Find sorts itself using the SliceStable and perform a binary-search for the given string.
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func (u userGroupList) Find(needle string) (found bool) {
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i := sort.SearchStrings(u, needle)
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found = i < len(u) && u[i] == needle
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return
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}
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