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26 lines
538 B
Go
26 lines
538 B
Go
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package set
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// Strings represents a set of strings.
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type Strings map[string]struct{}
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func (ss *Strings) Len() int {
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return len(*ss)
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}
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func (ss *Strings) Has(s string) bool {
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_, ok := (*ss)[s]
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return ok
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}
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func (ss *Strings) Set(s string) {
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if *ss == nil {
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*ss = make(map[string]struct{})
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}
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(*ss)[s] = struct{}{}
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}
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func (ss *Strings) Clear(s string) {
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delete(*ss, s)
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}
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