| // Copyright 2018 The Fuchsia Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| package flagmisc | |
| import ( | |
| "strings" | |
| ) | |
| // StringsValue implements flag.Value so it may be treated as a flag type. | |
| type StringsValue []string | |
| // Set implements flag.Value.Set. | |
| func (s *StringsValue) Set(val string) error { | |
| *s = append(*s, val) | |
| return nil | |
| } | |
| // String implements flag.Value.String. | |
| func (s *StringsValue) String() string { | |
| if s == nil { | |
| return "" | |
| } | |
| return strings.Join([]string(*s), ", ") | |
| } |