flag.FlagSet.failf (method)

7 uses

	flag (current package)
		flag.go#L891: func (f *FlagSet) failf(format string, a ...interface{}) error {
		flag.go#L927: 		return false, f.failf("bad flag syntax: %s", s)
		flag.go#L949: 		return false, f.failf("flag provided but not defined: -%s", name)
		flag.go#L955: 				return false, f.failf("invalid boolean value %q for -%s: %v", value, name, err)
		flag.go#L959: 				return false, f.failf("invalid boolean flag %s: %v", name, err)
		flag.go#L970: 			return false, f.failf("flag needs an argument: -%s", name)
		flag.go#L973: 			return false, f.failf("invalid value %q for flag -%s: %v", value, name, err)

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