boost::proto::_byval Struct Reference

A unary CallableTransform that strips references and boost::reference_wrapper<> from its argument. More...

#include <arg.hpp>

Inheritance diagram for boost::proto::_byval:

Collaboration diagram for boost::proto::_byval:

Classes
struct	result
struct	result< This(boost::reference_wrapper< T >)>
struct	result< This(T &)>
struct	result< This(T)>

Public Types
typedef void	proto_is_callable_

Public Member Functions
template<typename T >
T	operator() (T const &t) const
template<typename T >
T	operator() (boost::reference_wrapper< T > const &t) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. More...

Detailed Description

A unary CallableTransform that strips references and boost::reference_wrapper<> from its argument.

Example:

proto::terminal<int>::type i = {42};
int j = 67;
int k = proto::when<_, proto::_byval(proto::_state)>()(i, boost::ref(j));
assert( 67 == k );

Member Typedef Documentation

typedef void boost::proto::callable::proto_is_callable_

inherited

Member Function Documentation

template<typename T >

T boost::proto::_byval::operator() ( T const &  t ) const

inline

Parameters

t	The object to unref

Returns

t

Exceptions

nothrow

References boost::flyweights::t.

template<typename T >

T boost::proto::_byval::operator() ( boost::reference_wrapper< T > const &  t ) const

inline

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

References boost::flyweights::t.

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

• boost_1_57_0/boost/proto/transform/arg.hpp