thrift/thrift-gen/wrap.go
func (m *Method) RetType() string {
	if !m.HasReturn() {
		return "error"
	}
	return fmt.Sprintf("(%v, %v)", m.state.goType(m.Method.ReturnType), "error")
}
func (m *Method) RetType() string {
	if !m.HasReturn() {
		return "error"
	}
	return fmt.Sprintf("(%v, %v)", m.state.goType(m.Method.ReturnType), "error")
}
// RetType returns the go return type of the method.