github.com/GoogleCloudPlatform/testgrid@v0.0.174/util/strings.go (about)

     1  /*
     2  Copyright 2021 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package util
    18  
    19  import (
    20  	"strings"
    21  )
    22  
    23  // Strings represents the value of a flag that accept multiple strings.
    24  type Strings struct {
    25  	vals []string
    26  }
    27  
    28  // Strings returns the slice of strings set for this value instance.
    29  func (s *Strings) Strings() []string {
    30  	return s.vals
    31  }
    32  
    33  // String returns a concatenated string of all the values joined by commas.
    34  func (s *Strings) String() string {
    35  	return strings.Join(s.vals, ",")
    36  }
    37  
    38  // Set records the value passed
    39  func (s *Strings) Set(value string) error {
    40  	s.vals = append(s.vals, value)
    41  	return nil
    42  }