Method func1

tests/test_methods_and_attributes.cpp:297–297

// Test rvalue ref param
struct RValueRefParam {
    std::size_t func1(std::string &&s) { return s.size(); }
    std::size_t func2(std::string &&s) const { return s.size(); }
    std::size_t func3(std::string &&s) & { return s.size(); }
    std::size_t func4(std::string &&s) const & { return s.size(); }