53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
// Copyright 2012 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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