virtual const char* what() const;

constexpr weak_ptr(); (1)

Each of the macros defined in <cerrno> expands to integer constant expressions with type int, each with a positive value, matching most of the

protected: virtual int_type underflow()

template< class Key, class T, class Compare, class Alloc > bool operator==(

reference_wrapper( T& x );

Defined in header

Defined in header

std::size_t size() const;

void pop_front();