| // Copyright 2010 The Go 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 flag |
| |
| import ( |
| "io" |
| "os" |
| ) |
| |
| // Additional routines compiled into the package only during testing. |
| |
| var DefaultUsage = Usage |
| |
| // ResetForTesting clears all flag state and sets the usage function as directed. |
| // After calling ResetForTesting, parse errors in flag handling will not |
| // exit the program. |
| func ResetForTesting(usage func()) { |
| CommandLine = NewFlagSet(os.Args[0], ContinueOnError) |
| CommandLine.SetOutput(io.Discard) |
| CommandLine.Usage = commandLineUsage |
| Usage = usage |
| } |
