Defined in header

template< class Clock, class Duration > bool try_lock_until(

Defined in header

void unique(); (1)

CharT translate_nocase(CharT c) const;

protected: virtual int_type overflow ( int_type c = Traits::eof()

bool expired() const;

template< class T > void swap( weak_ptr<T>& lhs,

template< class T, class Alloc > void swap(

result_type min() const;