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- // Copyright (c) 2020 Shivaram Lingamneni
- // released under the MIT license
-
- package utils
-
- type empty struct{}
-
- type StringSet map[string]empty
-
- func (s StringSet) Has(str string) bool {
- _, ok := s[str]
- return ok
- }
-
- func (s StringSet) Add(str string) {
- s[str] = empty{}
- }
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