optional Class Reference

This class is a replacement for C++17 std::optional. More...

#include <cvb/shims/optional.hpp>

Related Functions
(Note that these are not member functions.)
template<class T >
optional< typename std::decay< T >::type >	make_optional (T &&value)
	Factory function to create an optional from a T object. More...
template<class T , class... ARGS>
optional< T >	make_optional (ARGS &&... args)
	Factory function to in-place construct a T in an optional. More...

Detailed Description

This class is a replacement for C++17 std::optional.

Friends And Related Function Documentation

make_optional() [1/2]

optional< typename std::decay< T >::type > make_optional ( T &&  value )

related

Factory function to create an optional from a T object.

Template Parameters

T	Type of value to store.

Parameters

[in]

value

Value to be forwarded to the optional.

Returns

optional with the set value.

make_optional() [2/2]

optional< T > make_optional ( ARGS &&...  args )

related

Factory function to in-place construct a T in an optional.

Template Parameters

T	Type of value to store.
ARGS	Type list of all arguments to be forwarded to T.

Parameters

[in]

args

Arguments to be forwarded to the ctor of T.

Returns

optional with newly constructed T.