Method NonCopyable

tests/test_virtual_functions.cpp:102–102

class NonCopyable {
public:
    NonCopyable(int a, int b) : value{new int(a * b)} { print_created(this, a, b); }
    NonCopyable(NonCopyable &&o) noexcept : value{std::move(o.value)} { print_move_created(this); }
    NonCopyable(const NonCopyable &) = delete;
    NonCopyable() = delete;