set.go

Documentation: github.com/coreos/go-systemd/v22/dbus

     1  // Copyright 2015 CoreOS, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package dbus
    16  
    17  type set struct {
    18  	data map[string]bool
    19  }
    20  
    21  func (s *set) Add(value string) {
    22  	s.data[value] = true
    23  }
    24  
    25  func (s *set) Remove(value string) {
    26  	delete(s.data, value)
    27  }
    28  
    29  func (s *set) Contains(value string) (exists bool) {
    30  	_, exists = s.data[value]
    31  	return
    32  }
    33  
    34  func (s *set) Length() int {
    35  	return len(s.data)
    36  }
    37  
    38  func (s *set) Values() (values []string) {
    39  	for val := range s.data {
    40  		values = append(values, val)
    41  	}
    42  	return
    43  }
    44  
    45  func newSet() *set {
    46  	return &set{make(map[string]bool)}
    47  }
    48
View as plain text