arguments

type Evaler func(string) (string, error)

type ParsedArguments struct {
	GenerateInterfaceAndShimFromPackageDirectory bool

	SourcePackageDir string // abs path to the dir containing the interface to fake
	PackagePath      string // package path to the package containing the interface to fake
	OutputPath       string // path to write the fake file to

	DestinationPackageName string // often the base-dir for OutputPath but must be a valid package name

	InterfaceName string // the interface to counterfeit
	FakeImplName  string // the name of the struct implementing the given interface

	PrintToStdOut bool
	GenerateMode  bool
	Quiet         bool

	HeaderFile string
}

type Stater func(string) (os.FileInfo, error)