empty_t Struct Reference

An empty regular- and less-than-comparable- type. More...

#include <empty.hpp>

Inheritance diagram for empty_t:

Friends
bool	operator== (const empty_t &, const empty_t &)
bool	operator< (const empty_t &, const empty_t &)
void	swap (empty_t &, empty_t &)

Detailed Description

Model Of

• Regular
• LessThanComparable

Rationale

empty_t is useful for default values. For example, value_t() will construct a value_t containing an empty_t by default.

Definition at line 42 of file empty.hpp.

Friends And Related Symbol Documentation

operator==

bool operator== ( const empty_t & , const empty_t &  )

friend

Definition at line 43 of file empty.hpp.

operator<

bool operator< ( const empty_t & , const empty_t &  )

friend

Definition at line 44 of file empty.hpp.

swap

void swap ( empty_t & , empty_t &  )

friend

Definition at line 45 of file empty.hpp.