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< div class = "section" >
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< div class = "titlepage" > < div > < div > < h5 class = "title" >
< a name = "fusion.functional.invocation.functions.invoke_proc" > < / a > < a class = "link" href = "invoke_proc.html" title = "invoke_procedure" >
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invoke_procedure< / a >
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< / 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 = "id1109542" > < / a >
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< a class = "link" 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 class = "link" href = "../../concepts/callable.html" title = "Callable Object" > Callable
Object< / a > with the arguments from a < a class = "link" 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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< code class = "literal" > get_pointer< / code > function must be defined (Boost provides
this function for < code class = "literal" > std::auto_ptr< / code > and < a href = "http://www.boost.org/libs/smart_ptr/shared_ptr.htm" target = "_top" > < code class = "computeroutput" > < span class = "identifier" > boost< / span > < span class = "special" > ::< / span > < span class = "identifier" > shared_ptr< / span > < / code > < / 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 = "id1109612" > < / a >
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< a class = "link" href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.synopsis" > Synopsis< / a >
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< / h6 >
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< pre class = "programlisting" > < span class = "keyword" > template< / span > < span class = "special" > < < / span >
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< span class = "keyword" > typename< / span > < span class = "identifier" > Function< / span > < span class = "special" > ,< / span >
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< span class = "keyword" > class< / span > < span class = "identifier" > Sequence< / span >
< span class = "special" > > < / span >
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< span class = "keyword" > typename< / span > < a class = "link" href = "../metafunctions/invoke_proc.html" title = "invoke_procedure" > < code class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > invoke_procedure< / span > < / code > < / 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 >
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< span class = "keyword" > typename< / span > < span class = "identifier" > Function< / span > < span class = "special" > ,< / span >
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< span class = "keyword" > class< / span > < span class = "identifier" > Sequence< / span >
< span class = "special" > > < / span >
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< span class = "keyword" > typename< / span > < a class = "link" href = "../metafunctions/invoke_proc.html" title = "invoke_procedure" > < code class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > invoke_procedure< / span > < / code > < / 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 = "id1109880" > < / a >
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< a class = "link" 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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< th >
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< p >
Parameter
< / p >
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< / th >
< th >
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< p >
Requirement
< / p >
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< / th >
< th >
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< p >
Description
< / p >
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< / th >
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< / tr > < / thead >
< tbody >
< tr >
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< td >
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< p >
< code class = "computeroutput" > < span class = "identifier" > f< / span > < / code >
< / p >
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< / td >
< td >
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< p >
Model of < a class = "link" href = "../../concepts/callable.html" title = "Callable Object" > Callable
Object< / a >
< / p >
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< / td >
< td >
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< p >
The function to call.
< / p >
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< / td >
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< / tr >
< tr >
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< td >
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< p >
< code class = "computeroutput" > < span class = "identifier" > s< / span > < / code >
< / p >
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< / td >
< td >
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< p >
Model of < a class = "link" href = "../../../sequence/concepts/forward_sequence.html" title = "Forward Sequence" > Forward
Sequence< / a >
< / p >
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< / td >
< td >
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< p >
The arguments.
< / p >
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< / td >
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< / tr >
< / tbody >
< / table > < / div >
< a name = "fusion.functional.invocation.functions.invoke_proc.expression_semantics" > < / a > < h6 >
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< a name = "id1110014" > < / a >
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< a class = "link" href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.expression_semantics" > Expression
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Semantics< / a >
< / h6 >
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< 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 >
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< / pre >
< p >
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< span class = "bold" > < strong > Return type< / strong > < / span > : < code class = "computeroutput" > < span class = "keyword" > void< / span > < / code >
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< / p >
< p >
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< span class = "bold" > < strong > Semantics< / strong > < / span > : Invokes < code class = "computeroutput" > < span class = "identifier" > f< / span > < / code >
with the elements in < code class = "computeroutput" > < span class = "identifier" > s< / span > < / code >
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as arguments.
< / p >
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< a name = "fusion.functional.invocation.functions.invoke_proc.header" > < / a > < h6 >
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< a name = "id1110094" > < / a >
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< a class = "link" href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.header" > Header< / a >
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< / h6 >
< pre class = "programlisting" > < span class = "preprocessor" > #include< / span > < span class = "special" > < < / span > < span class = "identifier" > booost< / 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" > invocation< / span > < span class = "special" > /< / span > < span class = "identifier" > invoke_procedure< / span > < span class = "special" > .< / span > < span class = "identifier" > hpp< / span > < span class = "special" > > < / span >
< / pre >
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< a name = "fusion.functional.invocation.functions.invoke_proc.example" > < / a > < h6 >
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< a name = "id1110168" > < / a >
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< a class = "link" href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.example" > Example< / a >
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< / h6 >
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< pre class = "programlisting" > < a class = "link" href = "../../../container/vector.html" title = "vector" > < code class = "computeroutput" > < span class = "identifier" > vector< / span > < / code > < / 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 class = "link" href = "../../../sequence/intrinsic/functions/front.html" title = "front" > < code class = "computeroutput" > < span class = "identifier" > front< / span > < / code > < / 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 = "id1110340" > < / a >
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< a class = "link" href = "invoke_proc.html#fusion.functional.invocation.functions.invoke_proc.see_also" > See
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also< / a >
< / h6 >
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< div class = "itemizedlist" > < ul class = "itemizedlist" type = "disc" >
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< li class = "listitem" >
< a class = "link" href = "invoke.html" title = "invoke" > < code class = "computeroutput" > < span class = "identifier" > invoke< / span > < / code > < / a >
< / li >
< li class = "listitem" >
< a class = "link" href = "invoke_fobj.html" title = "invoke_function_object" > < code class = "computeroutput" > < span class = "identifier" > invoke_function_object< / span > < / code > < / a >
< / li >
< li class = "listitem" >
< a class = "link" href = "../metafunctions/invoke_proc.html" title = "invoke_procedure" > < code class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > invoke_procedure< / span > < / code > < / a >
< / li >
< li class = "listitem" >
< a class = "link" href = "../../adapters/fused_procedure.html" title = "fused_procedure" > < code class = "computeroutput" > < span class = "identifier" > fused_procedure< / span > < / code > < / a >
< / li >
< li class = "listitem" >
< a class = "link" href = "../../generation/functions/mk_fused_proc.html" title = "make_fused_procedure" > < code class = "computeroutput" > < span class = "identifier" > make_fused_procedure< / span > < / code > < / 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" > < div class = "copyright-footer" > Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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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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< / p >
< / div > < / td >
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< / tr > < / table >
< hr >
< div class = "spirit-nav" >
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< a accesskey = "p" href = "invoke.html" > < img src = "../../../../../../../../doc/src/images/prev.png" alt = "Prev" > < / a > < a accesskey = "u" href = "../functions.html" > < img src = "../../../../../../../../doc/src/images/up.png" alt = "Up" > < / a > < a accesskey = "h" href = "../../../../index.html" > < img src = "../../../../../../../../doc/src/images/home.png" alt = "Home" > < / a > < a accesskey = "n" href = "invoke_fobj.html" > < img src = "../../../../../../../../doc/src/images/next.png" alt = "Next" > < / a >
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< / body >
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