boost::proto::functional::child< N > Struct Template Reference

A callable PolymorphicFunctionObject that is equivalent to the child() function. More...

#include <traits.hpp>

Classes
struct	result
struct	result< This(Expr)>

Public Member Functions
template<typename Expr >
BOOST_FORCEINLINE result_of::child< Expr &, N > ::type	operator() (Expr &e) const
	Return the Nth child of the given expression. More...
template<typename Expr >
BOOST_FORCEINLINE result_of::child< Expr const &, N >::type	operator() (Expr const &e) 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

template<typename N>
struct boost::proto::functional::child< N >

A callable PolymorphicFunctionObject that is equivalent to the child() function.

A callable PolymorphicFunctionObject that is equivalent to the child() function. N is required to be an MPL Integral Constant.

Member Function Documentation

template<typename N >

template<typename Expr >

BOOST_FORCEINLINE result_of::child<Expr &, N>::type boost::proto::functional::child< N >::operator() ( Expr &  e ) const

inline

Return the Nth child of the given expression.

Parameters

expr	The expression node.

Precondition

is_expr<Expr>value is true

N::value < Expr::proto_arity::value

Returns

proto::child<N>(expr)

Exceptions

nothrow

References boost::spirit::x3::detail::call().

template<typename N >

template<typename Expr >

BOOST_FORCEINLINE result_of::child<Expr const &, N>::type boost::proto::functional::child< N >::operator() ( Expr const &  e ) 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::spirit::x3::detail::call().

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

• boost_1_57_0/boost/proto/proto_fwd.hpp
• boost_1_57_0/boost/proto/traits.hpp