34 class MyClass  class
38     MyClass() { my_field = 0; }  in MyClass()  function in MyClass
39     MyClass(int32_t in) { my_field = in; }  in MyClass()  function in MyClass
40     MyClass(const MyClass& in) = default;
42     friend MyClass
43     operator+(const MyClass& x, const MyClass& y)  in operator +()
45         return MyClass(x.my_field + y.my_field);  in operator +()
47     friend MyClass
48     operator-(const MyClass& x)  in operator -()
50         return MyClass(-x.my_field);  in operator -()
52     friend MyClass operator*(const MyClass& x, const MyClass& y)  in operator *()
54         return MyClass(x.my_field * y.my_field);  in operator *()
56     friend bool operator==(const MyClass& x, const MyClass& y)  in operator ==()
124 …test_by_type<MyClass>(MyClass(), std::plus<MyClass>(), std::multiplies<MyClass>(), std::negate<MyC…  in main()
125                           [](std::size_t) -> MyClass { return MyClass(rand() % 1000); });  in main()