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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2012 Eric Niebler
Distributed under the Boost
Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-->
<header name="boost/proto/transform/impl.hpp">
<para>Contains definition of transform<> and transform_impl<> helpers. </para>
<namespace name="boost">
<namespace name="proto">
<!-- proto::transform -->
<struct name="transform">
<template>
<template-type-parameter name="PrimitiveTransform"/>
</template>
<purpose>Inherit from this to make your type a <conceptname>PrimitiveTransform</conceptname>.</purpose>
<struct-specialization name="result">
<template>
<template-type-parameter name="This"/>
<template-type-parameter name="Expr"/>
</template>
<specialization>
<template-arg>This(Expr)</template-arg>
</specialization>
<typedef name="type">
<type>typename PrimitiveTransform::template impl< Expr, <replaceable>unspecified</replaceable>, <replaceable>unspecified</replaceable> >::result_type</type>
</typedef>
</struct-specialization>
<struct-specialization name="result">
<template>
<template-type-parameter name="This"/>
<template-type-parameter name="Expr"/>
<template-type-parameter name="State"/>
</template>
<specialization>
<template-arg>This(Expr, State)</template-arg>
</specialization>
<typedef name="type">
<type>typename PrimitiveTransform::template impl< Expr, State, <replaceable>unspecified</replaceable> >::result_type</type>
</typedef>
</struct-specialization>
<struct-specialization name="result">
<template>
<template-type-parameter name="This"/>
<template-type-parameter name="Expr"/>
<template-type-parameter name="State"/>
<template-type-parameter name="Data"/>
</template>
<specialization>
<template-arg>This(Expr, State, Data)</template-arg>
</specialization>
<typedef name="type">
<type>typename PrimitiveTransform::template impl< Expr, State, Data >::result_type</type>
</typedef>
</struct-specialization>
<typedef name="transform_type">
<type>PrimitiveTransform</type>
</typedef>
<method-group name="public member functions">
<method name="operator()" cv="const">
<type>typename PrimitiveTransform::template impl<Expr &, <replaceable>unspecified</replaceable>, <replaceable>unspecified</replaceable>>::result_type</type>
<template>
<template-type-parameter name="Expr"/>
</template>
<parameter name="expr">
<paramtype>Expr &</paramtype>
</parameter>
<returns>
<computeroutput>
typename PrimitiveTransform::template impl<Expr &, <replaceable>unspecified</replaceable>, <replaceable>unspecified</replaceable>>()(expr, <replaceable>unspecified</replaceable>, <replaceable>unspecified</replaceable>)
</computeroutput>
</returns>
</method>
<method name="operator()" cv="const">
<type>typename PrimitiveTransform::template impl<Expr &, State &, <replaceable>unspecified</replaceable>>::result_type</type>
<template>
<template-type-parameter name="Expr"/>
<template-type-parameter name="State"/>
</template>
<parameter name="expr">
<paramtype>Expr &</paramtype>
</parameter>
<parameter name="state">
<paramtype>State &</paramtype>
</parameter>
<returns>
<computeroutput>
typename PrimitiveTransform::template impl<Expr &, State &, <replaceable>unspecified</replaceable>>()(expr, state, <replaceable>unspecified</replaceable>)
</computeroutput>
</returns>
</method>
<method name="operator()" cv="const">
<type>typename PrimitiveTransform::template impl<Expr &, State const &, <replaceable>unspecified</replaceable>>::result_type</type>
<template>
<template-type-parameter name="Expr"/>
<template-type-parameter name="State"/>
</template>
<parameter name="expr">
<paramtype>Expr &</paramtype>
</parameter>
<parameter name="state">
<paramtype>State const &</paramtype>
</parameter>
<returns>
<computeroutput>
typename PrimitiveTransform::template impl<Expr &, State const &, <replaceable>unspecified</replaceable>>()(expr, state, <replaceable>unspecified</replaceable>)
</computeroutput>
</returns>
</method>
<method name="operator()" cv="const">
<type>typename PrimitiveTransform::template impl<Expr &, State &, Data &>::result_type</type>
<template>
<template-type-parameter name="Expr"/>
<template-type-parameter name="State"/>
<template-type-parameter name="Data"/>
</template>
<parameter name="expr">
<paramtype>Expr &</paramtype>
</parameter>
<parameter name="state">
<paramtype>State &</paramtype>
</parameter>
<parameter name="data">
<paramtype>Data &</paramtype>
</parameter>
<returns>
<computeroutput>
typename PrimitiveTransform::template impl<Expr &, State &, Data &>()(expr, state, data)
</computeroutput>
</returns>
</method>
<method name="operator()" cv="const">
<type>typename PrimitiveTransform::template impl<Expr &, State const &, Data &>::result_type</type>
<template>
<template-type-parameter name="Expr"/>
<template-type-parameter name="State"/>
<template-type-parameter name="Data"/>
</template>
<parameter name="expr">
<paramtype>Expr &</paramtype>
</parameter>
<parameter name="state">
<paramtype>State const &</paramtype>
</parameter>
<parameter name="data">
<paramtype>Data &</paramtype>
</parameter>
<returns>
<computeroutput>
typename PrimitiveTransform::template impl<Expr &, State const &, Data &>()(expr, state, data)
</computeroutput>
</returns>
</method>
</method-group>
</struct>
<!-- proto::transform_impl -->
<struct name="transform_impl">
<template>
<template-type-parameter name="Expr"/>
<template-type-parameter name="State"/>
<template-type-parameter name="Data"/>
</template>
<typedef name="expr">
<type>typename boost::remove_reference<Expr const>::type</type>
</typedef>
<typedef name="expr_param">
<type>typename boost::add_reference<Expr const>::type</type>
</typedef>
<typedef name="state">
<type>typename boost::remove_reference<State const>::type</type>
</typedef>
<typedef name="state_param">
<type>typename boost::add_reference<State const>::type</type>
</typedef>
<typedef name="data">
<type>typename boost::remove_reference<Data const>::type</type>
</typedef>
<typedef name="data_param">
<type>typename boost::add_reference<Data const>::type</type>
</typedef>
</struct>
</namespace>
</namespace>
</header>
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