| // 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 command |
| |
| import ( |
| "strings" |
| ) |
| |
| // StringsFlag implements flag.Value so it may be treated as a flag type. |
| type StringsFlag []string |
| |
| // Set implements flag.Value.Set. |
| func (s *StringsFlag) Set(val string) error { |
| *s = append(*s, val) |
| return nil |
| } |
| |
| // String implements flag.Value.String. |
| func (s *StringsFlag) String() string { |
| if s == nil { |
| return "" |
| } |
| return strings.Join([]string(*s), ", ") |
| } |
