t3_widget::optional< T > Class Template Reference

Class defining values with a separate validity check. More...

Public Member Functions
bool	is_valid (void) const
	operator T (void) const
T	operator() (void) const
optional &	operator= (const optional &other)
optional &	operator= (const T other)
	optional (T _value)
void	unset (void)

Detailed Description

template<class T>
class t3_widget::optional< T >

Class defining values with a separate validity check.