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// 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 (
// 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