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hukl/int_set.go

Created March 14, 2017 14:01
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Minimal Integer Set Implementation in Go
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int_set.go
type int_set map[int]struct{}
func (s *int_set) Add(key int) {
(*s)[key] = struct{}{}
}
func (s *int_set) Values() []int {
var result []int
for k, _ := range *s {
result = append(result, k)
}
return result
}
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