stack/stack.go
func (f *Func) String() string {
	s, _ := url.QueryUnescape(f.Raw)
	return s
}
func (f *Func) String() string {
	s, _ := url.QueryUnescape(f.Raw)
	return s
}
// String is the fully qualified function name.
//
// Sadly Go is a bit confused when the package name doesn't match the directory
// containing the source file and will use the directory name instead of the
// real package name.