|  | // 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 pflag | 
|  |  | 
|  | import ( | 
|  | "io/ioutil" | 
|  | "os" | 
|  | ) | 
|  |  | 
|  | // Additional routines compiled into the package only during testing. | 
|  |  | 
|  | // 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 = &FlagSet{ | 
|  | name:          os.Args[0], | 
|  | errorHandling: ContinueOnError, | 
|  | output:        ioutil.Discard, | 
|  | } | 
|  | Usage = usage | 
|  | } | 
|  |  | 
|  | // GetCommandLine returns the default FlagSet. | 
|  | func GetCommandLine() *FlagSet { | 
|  | return CommandLine | 
|  | } |