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invoke_procedure< / title >
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< a name = "fusion.functional.invocation.functions.invoke_proc" > < / a > < a href = "invoke_proc.html" title = "
invoke_procedure">
invoke_procedure< / a > < / h5 > < / div > < / div > < / div >
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< a name = "fusion.functional.invocation.functions.invoke_proc.description" > < / a > < h6 >
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< a name = "id658453" > < / a >
< a href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.description" > Description< / a >
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< / h6 >
< p >
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Calls a < a href = "../../concepts/callable.html" title = " Callable Object" > Callable
Object< / a > with the arguments from a < a href = "../../../sequence.html" title = "Sequence" > Sequence< / a > .
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The result of the call is ignored.
< / p >
< p >
The first template parameter can be specialized explicitly to avoid copying
and/or to control the const qualification of a function object.
< / p >
< p >
For pointers to class members corresponding object can be specified as
a reference, pointer, or smart pointer. In case of the latter, a freestanding
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< tt class = "literal" > get_pointer< / tt > function must be defined (Boost provides
this function for < tt class = "literal" > std::auto_ptr< / tt > and < a href = "http://www.boost.org/libs/smart_ptr/shared_ptr.htm" target = "_top" > < tt class = "computeroutput" > < span class = "identifier" > boost< / span > < span class = "special" > ::< / span > < span class = "identifier" > shared_ptr< / span > < / tt > < / a > ).
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< / p >
< p >
The target function must not be a pointer to a member object (dereferencing
such a pointer without returning anything does not make sense, so it
isn't implemented).
< / p >
< a name = "fusion.functional.invocation.functions.invoke_proc.synopsis" > < / a > < h6 >
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< a name = "id658563" > < / a >
< a href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.synopsis" > Synopsis< / a >
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< / h6 >
< pre class = "programlisting" >
< span class = "keyword" > template< / span > < span class = "special" > < < / span >
< span class = "keyword" > typename< / span > < span class = "identifier" > Function< / span > < span class = "special" > ,< / span >
< span class = "keyword" > class< / span > < span class = "identifier" > Sequence< / span >
< span class = "special" > > < / span >
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< span class = "keyword" > typename< / span > < a href = "../metafunctions/invoke_proc.html" title = "
invoke_procedure">< tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > invoke_procedure< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > Function< / span > < span class = "special" > ,< / span > < span class = "identifier" > Sequence< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span >
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< span class = "identifier" > invoke_procedure< / span > < span class = "special" > (< / span > < span class = "identifier" > Function< / span > < span class = "identifier" > f< / span > < span class = "special" > ,< / span > < span class = "identifier" > Sequence< / span > < span class = "special" > & < / span > < span class = "identifier" > s< / span > < span class = "special" > );< / span >
< span class = "keyword" > template< / span > < span class = "special" > < < / span >
< span class = "keyword" > typename< / span > < span class = "identifier" > Function< / span > < span class = "special" > ,< / span >
< span class = "keyword" > class< / span > < span class = "identifier" > Sequence< / span >
< span class = "special" > > < / span >
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< span class = "keyword" > typename< / span > < a href = "../metafunctions/invoke_proc.html" title = "
invoke_procedure">< tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > invoke_procedure< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > Function< / span > < span class = "special" > ,< / span > < span class = "identifier" > Sequence< / span > < span class = "keyword" > const< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span >
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< span class = "identifier" > invoke_procedure< / span > < span class = "special" > (< / span > < span class = "identifier" > Function< / span > < span class = "identifier" > f< / span > < span class = "special" > ,< / span > < span class = "identifier" > Sequence< / span > < span class = "keyword" > const< / span > < span class = "special" > & < / span > < span class = "identifier" > s< / span > < span class = "special" > );< / span >
< / pre >
< a name = "fusion.functional.invocation.functions.invoke_proc.parameters" > < / a > < h6 >
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< a name = "id658942" > < / a >
< a href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.parameters" > Parameters< / a >
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< / h6 >
< div class = "informaltable" > < table class = "table" >
< colgroup >
< col >
< col >
< col >
< / colgroup >
< thead > < tr >
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Parameter
< / p >
< / th >
< th >
< p >
Requirement
< / p >
< / th >
< th >
< p >
Description
< / p >
< / th >
< / tr > < / thead >
< tbody >
< tr >
< td >
< p >
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< tt class = "computeroutput" > < span class = "identifier" > f< / span > < / tt >
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< / p >
< / td >
< td >
< p >
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Model of < a href = "../../concepts/callable.html" title = " Callable Object" > Callable
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Object< / a >
< / p >
< / td >
< td >
< p >
The function to call.
< / p >
< / td >
< / tr >
< tr >
< td >
< p >
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< tt class = "computeroutput" > < span class = "identifier" > s< / span > < / tt >
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< / p >
< / td >
< td >
< p >
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Model of < a href = "../../../sequence/concepts/forward_sequence.html" title = "Forward
Sequence">Forward
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Sequence< / a >
< / p >
< / td >
< td >
< p >
The arguments.
< / p >
< / td >
< / tr >
< / tbody >
< / table > < / div >
< a name = "fusion.functional.invocation.functions.invoke_proc.expression_semantics" > < / a > < h6 >
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< a name = "id659102" > < / a >
< a href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.expression_semantics" > Expression
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Semantics< / a >
< / h6 >
< pre class = "programlisting" >
< span class = "identifier" > invoke_procedure< / span > < span class = "special" > (< / span > < span class = "identifier" > f< / span > < span class = "special" > ,< / span > < span class = "identifier" > s< / span > < span class = "special" > );< / span >
< / pre >
< p >
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< span class = "bold" > < b > Return type< / b > < / span > : < tt class = "computeroutput" > < span class = "keyword" > void< / span > < / tt >
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< / p >
< p >
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< span class = "bold" > < b > Semantics< / b > < / span > : Invokes < tt class = "computeroutput" > < span class = "identifier" > f< / span > < / tt >
with the elements in < tt class = "computeroutput" > < span class = "identifier" > s< / span > < / tt >
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as arguments.
< / p >
< p >
/functional/invocation/invoke_procedure.hpp>
< / p >
< a name = "fusion.functional.invocation.functions.invoke_proc.example" > < / a > < h6 >
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< a name = "id659230" > < / a >
< a href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.example" > Example< / a >
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< / h6 >
< pre class = "programlisting" >
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< a href = "../../../container/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" > int< / span > < span class = "special" > > < / span > < span class = "identifier" > v< / span > < span class = "special" > (< / span > < span class = "number" > 1< / span > < span class = "special" > ,< / span > < span class = "number" > 2< / span > < span class = "special" > );< / span >
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< span class = "keyword" > using< / span > < span class = "keyword" > namespace< / span > < span class = "identifier" > boost< / span > < span class = "special" > ::< / span > < span class = "identifier" > lambda< / span > < span class = "special" > ;< / span >
< span class = "identifier" > invoke_procedure< / span > < span class = "special" > (< / span > < span class = "identifier" > _1< / span > < span class = "special" > +=< / span > < span class = "identifier" > _2< / span > < span class = "special" > ,< / span > < span class = "identifier" > v< / span > < span class = "special" > );< / span >
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< span class = "identifier" > assert< / span > < span class = "special" > (< / span > < a href = "../../../sequence/intrinsic/functions/front.html" title = "front" > < tt class = "computeroutput" > < span class = "identifier" > front< / span > < / tt > < / a > < span class = "special" > (< / span > < span class = "identifier" > v< / span > < span class = "special" > )< / span > < span class = "special" > ==< / span > < span class = "number" > 3< / span > < span class = "special" > );< / span >
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< / pre >
< a name = "fusion.functional.invocation.functions.invoke_proc.see_also" > < / a > < h6 >
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< a name = "id659471" > < / a >
< a href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.see_also" > See
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also< / a >
< / h6 >
< div class = "itemizedlist" > < ul type = "disc" >
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< li > < a href = "invoke.html" title = "invoke" > < tt class = "computeroutput" > < span class = "identifier" > invoke< / span > < / tt > < / a > < / li >
< li > < a href = "invoke_fobj.html" title = "
invoke_function_object">< tt class = "computeroutput" > < span class = "identifier" > invoke_function_object< / span > < / tt > < / a > < / li >
< li > < a href = "../metafunctions/invoke_proc.html" title = "
invoke_procedure">< tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > invoke_procedure< / span > < / tt > < / a > < / li >
< li > < a href = "../../adapters/fused_procedure.html" title = "fused_procedure" > < tt class = "computeroutput" > < span class = "identifier" > fused_procedure< / 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 >
< td align = "right" > < div class = "copyright-footer" > Copyright <20> 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger< p >
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at < a href = "http://www.boost.org/LICENSE_1_0.txt" target = "_top" > http://www.boost.org/LICENSE_1_0.txt< / a > )
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