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< div class = "titlepage" >< div >< div >< h3 class = "title" >
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< a name = "fusion.adapted.adapt_struct_named" ></ a >< a class = "link" href = "adapt_struct_named.html" title = "BOOST_FUSION_ADAPT_STRUCT_NAMED" > BOOST_FUSION_ADAPT_STRUCT_NAMED</ a >
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< a name = "fusion.adapted.adapt_struct_named.description" ></ a >< h5 >
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< a name = "fusion.adapted.adapt_struct_named.description-heading" ></ a >
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< a class = "link" href = "adapt_struct_named.html#fusion.adapted.adapt_struct_named.description" > Description</ a >
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< p >
BOOST_FUSION_ADAPT_STRUCT_NAMED and BOOST_FUSION_ADAPT_STRUCT_NAMED_NS are
macros that can be used to generate all the necessary boilerplate to make
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an arbitrary struct a model of < a class = "link" href = "../sequence/concepts/random_access_sequence.html" title = "Random Access Sequence" > Random
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Access Sequence</ a > . The given struct is adapted using the given name.
</ p >
< a name = "fusion.adapted.adapt_struct_named.synopsis" ></ a >< h5 >
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< a name = "fusion.adapted.adapt_struct_named.synopsis-heading" ></ a >
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< a class = "link" href = "adapt_struct_named.html#fusion.adapted.adapt_struct_named.synopsis" > Synopsis</ a >
</ h5 >
< pre class = "programlisting" >< span class = "identifier" > BOOST_FUSION_ADAPT_STRUCT_NAMED</ span >< span class = "special" > (</ span >
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< span class = "identifier" > struct_name</ span >< span class = "special" > ,</ span > < span class = "identifier" > adapted_name</ span >< span class = "special" > ,</ span >
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< span class = "special" > (</ span >< span class = "identifier" > member_type0</ span >< span class = "special" > ,</ span > < span class = "identifier" > member_name0</ span >< span class = "special" > )</ span >
< span class = "special" > (</ span >< span class = "identifier" > member_type1</ span >< span class = "special" > ,</ span > < span class = "identifier" > member_name1</ span >< span class = "special" > )</ span >
< span class = "special" > ...</ span >
< span class = "special" > )</ span >
< span class = "identifier" > BOOST_FUSION_ADAPT_STRUCT_NAMED_NS</ span >< span class = "special" > (</ span >
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< span class = "identifier" > struct_name</ span >< span class = "special" > ,</ span >
< span class = "special" > (</ span >< span class = "identifier" > namespace0</ span >< span class = "special" > )(</ span >< span class = "identifier" > namespace1</ span >< span class = "special" > )...,</ span >
< span class = "identifier" > adapted_name</ span >< span class = "special" > ,</ span >
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< span class = "special" > (</ span >< span class = "identifier" > member_type0</ span >< span class = "special" > ,</ span > < span class = "identifier" > member_name0</ span >< span class = "special" > )</ span >
< span class = "special" > (</ span >< span class = "identifier" > member_type1</ span >< span class = "special" > ,</ span > < span class = "identifier" > member_name1</ span >< span class = "special" > )</ span >
< span class = "special" > ...</ span >
< span class = "special" > )</ span >
</ pre >
< a name = "fusion.adapted.adapt_struct_named.semantics" ></ a >< h5 >
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< a name = "fusion.adapted.adapt_struct_named.semantics-heading" ></ a >
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< a class = "link" href = "adapt_struct_named.html#fusion.adapted.adapt_struct_named.semantics" > Semantics</ a >
</ h5 >
< p >
The above macros generate the necessary code to adapt < code class = "computeroutput" >< span class = "identifier" > struct_name</ span ></ code >
as a model of < a class = "link" href = "../sequence/concepts/random_access_sequence.html" title = "Random Access Sequence" > Random
Access Sequence</ a > while using < code class = "computeroutput" >< span class = "identifier" > adapted_name</ span ></ code >
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as the name of the adapted struct. The sequence < code class = "computeroutput" >< span class = "special" > (</ span >< span class = "identifier" > namespace0</ span >< span class = "special" > )(</ span >< span class = "identifier" > namespace1</ span >< span class = "special" > )...</ span ></ code >
declares the namespace for < code class = "computeroutput" >< span class = "identifier" > adapted_name</ span ></ code > .
It yields to a fully qualified name for < code class = "computeroutput" >< span class = "identifier" > adapted_name</ span ></ code >
of < code class = "computeroutput" >< span class = "identifier" > namespace0</ span >< span class = "special" > ::</ span >< span class = "identifier" > namespace1</ span >< span class = "special" > ::...</ span >
< span class = "identifier" > adapted_name</ span ></ code > . If an empty namespace
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sequence is given (that is a macro that expands to nothing), the adapted
view is placed in the global namespace. If no namespace sequence is given
(i.e. < code class = "computeroutput" >< span class = "identifier" > BOOST_FUSION_ADAPT_STRUCT_NAMED</ span ></ code > ),
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the adapted view is placed in the namespace < code class = "computeroutput" >< span class = "identifier" > boost</ span >< span class = "special" > ::</ span >< span class = "identifier" > fusion</ span >< span class = "special" > ::</ span >< span class = "identifier" > adapted</ span ></ code > .
The sequence of < code class = "computeroutput" >< span class = "special" > (</ span >< span class = "identifier" > member_typeN</ span >< span class = "special" > ,</ span > < span class = "identifier" > member_nameN</ span >< span class = "special" > )</ span ></ code > pairs declares the type and names of each
of the struct members that are part of the sequence.
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</ p >
< p >
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The macros should be used at global scope, and < code class = "computeroutput" >< span class = "identifier" > struct_name</ span ></ code >
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should be the fully namespace qualified name of the struct to be converted.
</ p >
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< a name = "fusion.adapted.adapt_struct_named.header-heading" ></ a >
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< a class = "link" href = "adapt_struct_named.html#fusion.adapted.adapt_struct_named.header" > Header</ a >
</ h5 >
< pre class = "programlisting" >< span class = "preprocessor" > #include</ span > < span class = "special" > < </ span >< span class = "identifier" > boost</ span >< span class = "special" > /</ span >< span class = "identifier" > fusion</ span >< span class = "special" > /</ span >< span class = "identifier" > adapted</ span >< span class = "special" > /</ span >< span class = "keyword" > struct</ span >< span class = "special" > /</ span >< span class = "identifier" > adapt_struct_named</ span >< span class = "special" > .</ span >< span class = "identifier" > hpp</ span >< span class = "special" > > </ span >
< span class = "preprocessor" > #include</ span > < span class = "special" > < </ span >< span class = "identifier" > boost</ span >< span class = "special" > /</ span >< span class = "identifier" > fusion</ span >< span class = "special" > /</ span >< span class = "identifier" > include</ span >< span class = "special" > /</ span >< span class = "identifier" > adapt_struct_named</ span >< span class = "special" > .</ span >< span class = "identifier" > hpp</ span >< span class = "special" > > </ span >
</ pre >
< a name = "fusion.adapted.adapt_struct_named.example" ></ a >< h5 >
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< a name = "fusion.adapted.adapt_struct_named.example-heading" ></ a >
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< a class = "link" href = "adapt_struct_named.html#fusion.adapted.adapt_struct_named.example" > Example</ a >
</ h5 >
< pre class = "programlisting" >< span class = "keyword" > namespace</ span > < span class = "identifier" > demo</ span >
< span class = "special" > {</ span >
< span class = "keyword" > struct</ span > < span class = "identifier" > employee</ span >
< span class = "special" > {</ span >
< span class = "identifier" > std</ span >< span class = "special" > ::</ span >< span class = "identifier" > string</ span > < span class = "identifier" > name</ span >< span class = "special" > ;</ span >
< span class = "keyword" > int</ span > < span class = "identifier" > age</ span >< span class = "special" > ;</ span >
< span class = "special" > };</ span >
< span class = "special" > }</ span >
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< span class = "comment" > // boost::fusion::adapted::adapted_employee is now a Fusion sequence</ span >
< span class = "comment" > // referring to demo::employee</ span >
< span class = "identifier" > BOOST_FUSION_ADAPT_STRUCT_NAMED</ span >< span class = "special" > (</ span >
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< span class = "identifier" > demo</ span >< span class = "special" > ::</ span >< span class = "identifier" > employee</ span >< span class = "special" > ,</ span > < span class = "identifier" > adapted_employee</ span >< span class = "special" > ,</ span >
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< span class = "special" > (</ span >< span class = "identifier" > std</ span >< span class = "special" > ::</ span >< span class = "identifier" > string</ span >< span class = "special" > ,</ span > < span class = "identifier" > name</ span >< span class = "special" > )</ span >
< span class = "special" > (</ span >< span class = "keyword" > int</ span >< span class = "special" > ,</ span > < span class = "identifier" > age</ span >< span class = "special" > ))</ span >
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