fn_dag::dag_fake_source< Out > Class Template Reference

A source that just returns null pointers. More...

#include <default_types_impl.hpp>

Inheritance diagram for fn_dag::dag_fake_source< Out >:

Public Member Functions
unique_ptr< Out >	update ()
	Update generator function that returns NULL.
Public Member Functions inherited from fn_dag::dag_source< Out >
virtual	~dag_source ()=default
	Default constructor.

Detailed Description

template<class Out>
class fn_dag::dag_fake_source< Out >

A source that just returns null pointers.

Sometimes you just need a root that does nothing.

Member Function Documentation

update()

template<class Out>

unique_ptr< Out > fn_dag::dag_fake_source< Out >::update ( )

inlinevirtual

Update generator function that returns NULL.

Returns

NULL pointer.

Implements fn_dag::dag_source< Out >.