49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package consumergroup
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type nameSet map[string]struct{}
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func makeNameSet(strings ...string) nameSet {
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if len(strings) == 0 {
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return nil
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}
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set := nameSet{}
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for _, s := range strings {
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set[s] = struct{}{}
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}
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return set
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}
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func (s nameSet) has(name string) bool {
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if s == nil {
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return true
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}
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_, ok := s[name]
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return ok
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}
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func (s nameSet) pred() func(string) bool {
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if s == nil || len(s) == 0 {
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return nil
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}
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return s.has
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}
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