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< a name = "fusion.functional.adapters.fused_function_object" > < / a > < a href = "fused_function_object.html" title = "fused_function_object" > fused_function_object< / a > < / h4 > < / div > < / div > < / div >
< a name = "fusion.functional.adapters.fused_function_object.description" > < / a > < h5 >
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< a name = "id651278" > < / a >
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< a href = "fused_function_object.html#fusion.functional.adapters.fused_function_object.description" > Description< / a >
< / h5 >
< p >
An unary < a href = "../concepts/poly.html" title = " Polymorphic Function
Object">Polymorphic Function
Object< / a > adapter template for a < a href = "../concepts/poly.html" title = " Polymorphic Function
Object">Polymorphic
Function Object< / a > target function. It takes a < a href = "../../sequences/concepts/forward_sequence.html" title = "Forward
Sequence">Forward
Sequence< / a > that contains the arguments for the target function.
< / p >
< p >
The type of the target function is allowed to be const qualified or a reference.
Const qualification is preserved and propagated appropriately (in other
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words, only const versions of < tt class = "literal" > operator()< / tt > can be used
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for an target function object that is const or, if the target function
object is held by value, the adapter is const).
< / p >
< a name = "fusion.functional.adapters.fused_function_object.header" > < / a > < h5 >
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< a name = "id651355" > < / a >
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< a href = "fused_function_object.html#fusion.functional.adapters.fused_function_object.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" > functional< / span > < span class = "special" > /< / span > < span class = "identifier" > adapter< / span > < span class = "special" > /< / span > < span class = "identifier" > fused_function_object< / span > < span class = "special" > .< / span > < span class = "identifier" > hpp< / span > < span class = "special" > > < / span >
< / pre >
< a name = "fusion.functional.adapters.fused_function_object.synopsis" > < / a > < h5 >
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< a name = "id651462" > < / a >
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< a href = "fused_function_object.html#fusion.functional.adapters.fused_function_object.synopsis" > Synopsis< / a >
< / h5 >
< pre class = "programlisting" >
< span class = "keyword" > template< / span > < span class = "special" > < < / span > < span class = "keyword" > class< / span > < span class = "identifier" > Function< / span > < span class = "special" > > < / span >
< span class = "keyword" > class< / span > < span class = "identifier" > fused_function_object< / span > < span class = "special" > ;< / span >
< / pre >
< a name = "fusion.functional.adapters.fused_function_object.template_parameters" > < / a > < h5 >
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< a name = "id651545" > < / a >
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< a href = "fused_function_object.html#fusion.functional.adapters.fused_function_object.template_parameters" > Template
parameters< / a >
< / h5 >
< div class = "informaltable" > < table class = "table" >
< colgroup >
< col >
< col >
< col >
< / colgroup >
< thead > < tr >
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< th >
< p >
Parameter
< / p >
< / th >
< th >
< p >
Description
< / p >
< / th >
< th >
< p >
Default
< / p >
< / th >
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< / tr > < / thead >
< tbody > < tr >
< td >
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< p >
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< tt class = "computeroutput" > < span class = "identifier" > Function< / span > < / tt >
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< / p >
< / td >
< td >
< p >
< a href = "../concepts/poly.html" title = " Polymorphic Function
Object">Polymorphic Function
Object< / a > type
< / p >
< / td >
< td >
< p >
< / p >
< / td >
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< / tr > < / tbody >
< / table > < / div >
< a name = "fusion.functional.adapters.fused_function_object.model_of" > < / a > < h5 >
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< a name = "id651661" > < / a >
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< a href = "fused_function_object.html#fusion.functional.adapters.fused_function_object.model_of" > Model
of< / a >
< / h5 >
< div class = "itemizedlist" > < ul type = "disc" >
< li > < a href = "../concepts/poly.html" title = " Polymorphic Function
Object">Polymorphic Function
Object< / a > < / li >
< li > < a href = "../concepts/def_callable.html" title = " Deferred
Callable Object">Deferred Callable
Object< / a > < / li >
< / ul > < / div >
< div class = "variablelist" >
< p class = "title" > < b > Notation< / b > < / p >
< dl >
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< dt > < span class = "term" > < tt class = "computeroutput" > < span class = "identifier" > R< / span > < / tt > < / span > < / dt >
< dd > < p >
A possibly const qualified < a href = "../concepts/poly.html" title = " Polymorphic Function
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Object">Polymorphic
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Function Object< / a > type or reference type thereof
< / p > < / dd >
< dt > < span class = "term" > < tt class = "computeroutput" > < span class = "identifier" > r< / span > < / tt > < / span > < / dt >
< dd > < p >
An object convertible to < tt class = "computeroutput" > < span class = "identifier" > R< / span > < / tt >
< / p > < / dd >
< dt > < span class = "term" > < tt class = "computeroutput" > < span class = "identifier" > s< / span > < / tt > < / span > < / dt >
< dd > < p >
A < a href = "../../sequences.html" title = "Sequences" > Sequence< / a > of arguments that
are accepted by < tt class = "computeroutput" > < span class = "identifier" > r< / span > < / tt >
< / p > < / dd >
< dt > < span class = "term" > < tt class = "computeroutput" > < span class = "identifier" > f< / span > < / tt > < / span > < / dt >
< dd > < p >
An instance of < tt class = "computeroutput" > < span class = "identifier" > fused< / span > < span class = "special" > < < / span > < span class = "identifier" > R< / span > < span class = "special" > > < / span > < / tt >
< / p > < / dd >
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< / dl >
< / div >
< a name = "fusion.functional.adapters.fused_function_object.expression_semantics" > < / a > < h5 >
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< a name = "id651881" > < / a >
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< a href = "fused_function_object.html#fusion.functional.adapters.fused_function_object.expression_semantics" > Expression
Semantics< / a >
< / h5 >
< div class = "informaltable" > < table class = "table" >
< colgroup >
< col >
< col >
< / colgroup >
< thead > < tr >
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< th >
< p >
Expression
< / p >
< / th >
< th >
< p >
Semantics
< / p >
< / th >
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< / tr > < / thead >
< tbody >
< tr >
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< td >
< p >
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< tt class = "computeroutput" > < span class = "identifier" > fused_function_object< / span > < span class = "special" > < < / span > < span class = "identifier" > R< / span > < span class = "special" > > (< / span > < span class = "identifier" > r< / span > < span class = "special" > )< / span > < / tt >
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< / p >
< / td >
< td >
< p >
Creates a fused function as described above, initializes the target
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function with < tt class = "computeroutput" > < span class = "identifier" > r< / span > < / tt > .
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< / p >
< / td >
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< / tr >
< tr >
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< td >
< p >
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< tt class = "computeroutput" > < span class = "identifier" > fused_function_object< / span > < span class = "special" > < < / span > < span class = "identifier" > R< / span > < span class = "special" > > ()< / span > < / tt >
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< / p >
< / td >
< td >
< p >
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Creates a fused function as described above, attempts to use < tt class = "computeroutput" > < span class = "identifier" > R< / span > < / tt > 's default constructor.
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< / p >
< / td >
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< / tr >
< tr >
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< td >
< p >
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< tt class = "computeroutput" > < span class = "identifier" > f< / span > < span class = "special" > (< / span > < span class = "identifier" > s< / span > < span class = "special" > )< / span > < / tt >
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< / p >
< / td >
< td >
< p >
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Calls < tt class = "computeroutput" > < span class = "identifier" > r< / span > < / tt > with the
elements in < tt class = "computeroutput" > < span class = "identifier" > s< / span > < / tt > as
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its arguments.
< / p >
< / td >
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< / tr >
< / tbody >
< / table > < / div >
< a name = "fusion.functional.adapters.fused_function_object.example" > < / a > < h5 >
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< a name = "id652139" > < / a >
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< a href = "fused_function_object.html#fusion.functional.adapters.fused_function_object.example" > Example< / a >
< / h5 >
< pre class = "programlisting" >
< span class = "keyword" > template< / span > < span class = "special" > < < / span > < span class = "keyword" > class< / span > < span class = "identifier" > SeqOfSeqs< / span > < span class = "special" > ,< / span > < span class = "keyword" > class< / span > < span class = "identifier" > Func< / span > < span class = "special" > > < / span >
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< span class = "keyword" > typename< / span > < a href = "../../algorithms/transformation/metafunctions/transform.html" title = "transform" > < tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > transform< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > zip_view< / span > < span class = "special" > < < / span > < span class = "identifier" > SeqOfSeqs< / span > < span class = "special" > > < / span > < span class = "keyword" > const< / span > < span class = "special" > ,< / span >
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< span class = "identifier" > fused_function_object< / span > < span class = "special" > < < / span > < span class = "identifier" > Func< / span > < span class = "keyword" > const< / span > < span class = "special" > & > < / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span >
< span class = "identifier" > n_ary_transform< / span > < span class = "special" > (< / span > < span class = "identifier" > SeqOfSeqs< / span > < span class = "keyword" > const< / span > < span class = "special" > & < / span > < span class = "identifier" > s< / span > < span class = "special" > ,< / span > < span class = "identifier" > Func< / span > < span class = "keyword" > const< / span > < span class = "special" > & < / span > < span class = "identifier" > f< / span > < span class = "special" > )< / span >
< span class = "special" > {< / span >
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< span class = "keyword" > return< / span > < a href = "../../algorithms/transformation/functions/transform.html" title = "transform" > < tt class = "computeroutput" > < span class = "identifier" > transform< / span > < / tt > < / a > < span class = "special" > (< / span > < span class = "identifier" > zip_view< / span > < span class = "special" > < < / span > < span class = "identifier" > SeqOfSeqs< / span > < span class = "special" > > (< / span > < span class = "identifier" > s< / span > < span class = "special" > ),< / span >
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< span class = "identifier" > fused_function_object< / span > < span class = "special" > < < / span > < span class = "identifier" > Func< / span > < span class = "keyword" > const< / span > < span class = "special" > & > (< / span > < span class = "identifier" > f< / span > < span class = "special" > ));< / span >
< span class = "special" > }< / span >
< span class = "keyword" > struct< / span > < span class = "identifier" > sub< / span >
< span class = "special" > {< / span >
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< span class = "keyword" > template< / span > < span class = "special" > < < / span > < span class = "keyword" > typename< / span > < span class = "identifier" > Sig< / span > < span class = "special" > > < / span >
< span class = "keyword" > struct< / span > < span class = "identifier" > result< / span > < span class = "special" > ;< / span >
< span class = "keyword" > template< / span > < span class = "special" > < < / span > < span class = "keyword" > class< / span > < span class = "identifier" > Self< / span > < span class = "special" > ,< / span > < span class = "keyword" > typename< / span > < span class = "identifier" > T< / span > < span class = "special" > > < / span >
< span class = "keyword" > struct< / span > < span class = "identifier" > result< / span > < span class = "special" > < < / span > < span class = "identifier" > Self< / span > < span class = "special" > (< / span > < span class = "identifier" > T< / span > < span class = "special" > ,< / span > < span class = "identifier" > T< / span > < span class = "special" > )< / span > < span class = "special" > > < / span >
< span class = "special" > {< / span > < span class = "keyword" > typedef< / span > < span class = "keyword" > typename< / span > < span class = "identifier" > remove_reference< / span > < span class = "special" > < < / span > < span class = "identifier" > T< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < span class = "identifier" > type< / span > < span class = "special" > ;< / span > < span class = "special" > };< / span >
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< span class = "keyword" > template< / span > < span class = "special" > < < / span > < span class = "keyword" > typename< / span > < span class = "identifier" > T< / span > < span class = "special" > > < / span >
< span class = "identifier" > T< / span > < span class = "keyword" > operator< / span > < span class = "special" > ()(< / span > < span class = "identifier" > T< / span > < span class = "identifier" > lhs< / span > < span class = "special" > ,< / span > < span class = "identifier" > T< / span > < span class = "identifier" > rhs< / span > < span class = "special" > )< / span > < span class = "keyword" > const< / span >
< span class = "special" > {< / span >
< span class = "keyword" > return< / span > < span class = "identifier" > lhs< / span > < span class = "special" > -< / span > < span class = "identifier" > rhs< / span > < span class = "special" > ;< / span >
< span class = "special" > }< / span >
< span class = "special" > };< / span >
< span class = "keyword" > void< / span > < span class = "identifier" > try_it< / span > < span class = "special" > ()< / span >
< span class = "special" > {< / span >
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< a href = "../../sequences/containers/vector.html" title = "vector" > < tt class = "computeroutput" > < span class = "identifier" > vector< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "keyword" > int< / span > < span class = "special" > ,< / span > < span class = "keyword" > float< / span > < span class = "special" > > < / span > < span class = "identifier" > a< / span > < span class = "special" > (< / span > < span class = "number" > 2< / span > < span class = "special" > ,< / span > < span class = "number" > 2.0f< / span > < span class = "special" > );< / span >
< a href = "../../sequences/containers/vector.html" title = "vector" > < tt class = "computeroutput" > < span class = "identifier" > vector< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "keyword" > int< / span > < span class = "special" > ,< / span > < span class = "keyword" > float< / span > < span class = "special" > > < / span > < span class = "identifier" > b< / span > < span class = "special" > (< / span > < span class = "number" > 1< / span > < span class = "special" > ,< / span > < span class = "number" > 1.5f< / span > < span class = "special" > );< / span >
< a href = "../../sequences/containers/vector.html" title = "vector" > < tt class = "computeroutput" > < span class = "identifier" > vector< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "keyword" > int< / span > < span class = "special" > ,< / span > < span class = "keyword" > float< / span > < span class = "special" > > < / span > < span class = "identifier" > c< / span > < span class = "special" > (< / span > < span class = "number" > 1< / span > < span class = "special" > ,< / span > < span class = "number" > 0.5f< / span > < span class = "special" > );< / span >
< span class = "identifier" > assert< / span > < span class = "special" > (< / span > < span class = "identifier" > c< / span > < span class = "special" > ==< / span > < span class = "identifier" > n_ary_transform< / span > < span class = "special" > (< / span > < a href = "../../sequences/generation/functions/vector_tie.html" title = "vector_tie" > < tt class = "computeroutput" > < span class = "identifier" > vector_tie< / span > < / tt > < / a > < span class = "special" > (< / span > < span class = "identifier" > a< / span > < span class = "special" > ,< / span > < span class = "identifier" > b< / span > < span class = "special" > ),< / span > < span class = "identifier" > sub< / span > < span class = "special" > ()));< / span >
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< span class = "special" > }< / span >
< / pre >
< a name = "fusion.functional.adapters.fused_function_object.see_also" > < / a > < h5 >
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< a name = "id653198" > < / a >
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< a href = "fused_function_object.html#fusion.functional.adapters.fused_function_object.see_also" > See
also< / a >
< / h5 >
< div class = "itemizedlist" > < ul type = "disc" >
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< li > < a href = "fused.html" title = "fused" > < tt class = "computeroutput" > < span class = "identifier" > fused< / span > < / tt > < / a > < / li >
< li > < a href = "fused_procedure.html" title = "fused_procedure" > < tt class = "computeroutput" > < span class = "identifier" > fused_procedure< / span > < / tt > < / a > < / li >
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< li > < a href = "../invocation/functions/invoke_fobj.html" title = "
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invoke_function_object">< tt class = "computeroutput" > < span class = "identifier" > invoke_function_object< / span > < / tt > < / a > < / li >
< li > < a href = "../../support/deduce.html" title = "deduce" > < tt class = "computeroutput" > < span class = "identifier" > deduce< / span > < / tt > < / a > < / li >
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< / ul > < / div >
< / div >
< table xmlns:rev = "http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width = "100%" > < tr >
< td align = "left" > < / td >
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< td align = "right" > < small > Copyright <20> 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger< / small > < / td >
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< / tr > < / table >
< hr >
< div class = "spirit-nav" >
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