31 lines
411 B
Go
31 lines
411 B
Go
package set
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type Set map[interface{}]struct{}
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func NewSet() Set {
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return make(map[interface{}]struct{})
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}
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func (s Set) Add(i interface{}) {
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s[i] = struct{}{}
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}
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func (s Set) Has(i interface{}) bool {
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_, ok := s[i]
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return ok
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}
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func (s Set) Size() int {
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return len(s)
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}
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func (s Set) Keys() []interface{} {
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keys := make([]interface{}, 0)
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for k := range s {
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keys = append(keys, k)
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}
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return keys
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}
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