40 lines
521 B
Go
40 lines
521 B
Go
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package utility
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type Set map[interface{}]bool
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func (s Set) Add(v interface{}) {
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s[v] = true
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}
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func (s Set) Remove(v interface{}) {
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delete(s, v)
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}
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func (s Set) Elements() []interface{} {
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result := make([]interface{}, 0, len(s))
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for k, _ := range s {
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result = append(result, k)
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}
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return result
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}
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func (s Set) Has(v interface{}) bool {
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_, p := s[v]
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return p
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}
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func (s Set) Intersection(o Set) Set {
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result := make(Set)
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for k, _ := range s {
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if o.Has(k) {
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result[k] = true
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}
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}
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return result
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}
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