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// errorcheck
// Copyright 2012 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.
// Issue 3890: missing detection of init cycle involving
// method calls in function bodies.
package flag
var commandLine = NewFlagSet() // ERROR "initialization cycle|depends upon itself"
type FlagSet struct {
}
func (f *FlagSet) failf(format string, a ...interface{}) {
f.usage()
}
func (f *FlagSet) usage() {
if f == commandLine {
panic(3)
}
}
func NewFlagSet() *FlagSet {
f := &FlagSet{}
f.setErrorHandling(true)
return f
}
func (f *FlagSet) setErrorHandling(b bool) {
f.failf("DIE")
}
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