boost::type_erasure::as_param< Any, T > Struct Template Reference

Metafunction that creates a param. More...

#include <param.hpp>

Public Types
typedef ::boost::mpl::if_ < ::boost::type_erasure::is_placeholder < typename::boost::remove_cv < typename::boost::remove_reference < T >::type >::type >, param < typename::boost::type_erasure::concept_of < Any >::type, T >, T >::type	type

Detailed Description

template<class Any, class T>
struct boost::type_erasure::as_param< Any, T >

Metafunction that creates a param.

If T is a (cv/reference qualifed) placeholder, returns param<concept_of<Any>::type, T>, otherwise, returns T. This metafunction is intended to be used for function arguments in specializations of concept_interface.

See also

derived, rebind_any

Member Typedef Documentation

template<class Any , class T >

typedef ::boost::mpl::if_< ::boost::type_erasure::is_placeholder< typename ::boost::remove_cv< typename ::boost::remove_reference<T>::type>::type>, param<typename ::boost::type_erasure::concept_of<Any>::type, T>, T >::type boost::type_erasure::as_param< Any, T >::type

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The documentation for this struct was generated from the following file:

• boost_1_57_0/boost/type_erasure/param.hpp