github.com/golazy/golazy@v0.0.7-0.20221012133820-968fe65a0b65/lazysupport/set.go (about) 1 package lazysupport 2 3 type Void struct{} 4 5 type Set[T comparable] map[T]Void 6 7 func NewSet[T comparable](values ...T) Set[T] { 8 s := make(Set[T]) 9 for _, key := range values { 10 s[key] = Void{} 11 } 12 return s 13 } 14 15 func (s Set[T]) Has(item T) bool { 16 _, ok := s[item] 17 return ok 18 }