60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import "strings"
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// InStringSlice checks whether a string is inside a string slice.
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// Comparison is case insensitive.
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func InStringSlice(ss []string, str string) bool {
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for _, s := range ss {
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if strings.EqualFold(s, str) {
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return true
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}
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}
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return false
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}
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// SubtractStringSlice subtracts string from string slice.
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// Comparison is case insensitive.
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func SubtractStringSlice(ss []string, str string) []string {
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var res []string
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for _, s := range ss {
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if strings.EqualFold(s, str) {
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continue
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}
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res = append(res, s)
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}
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return res
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}
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// MergeStringSlices merges 2 string slices into one and remove duplicated elements.
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func MergeStringSlices(a []string, b []string) []string {
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set := map[string]struct{}{}
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for _, s := range a {
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set[s] = struct{}{}
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}
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for _, s := range b {
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set[s] = struct{}{}
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}
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var ss []string
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for s := range set {
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ss = append(ss, s)
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}
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return ss
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}
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