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< title > Polymorphic Function
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< div class = "titlepage" >< div >< div >< h4 class = "title" >
< a name = "fusion.functional.concepts.poly" ></ a >< a href = "poly.html" title = " Polymorphic Function
Object" > Polymorphic Function
Object</ a ></ h4 ></ div ></ div ></ div >
< a name = "fusion.functional.concepts.poly.description" ></ a >< h5 >
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< a name = "id656467" ></ a >
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< a href = "poly.html#fusion.functional.concepts.poly.description" > Description</ a >
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< p >
A non-member-pointer < a href = "def_callable.html" title = " Deferred
Callable Object" > Deferred
Callable Object</ a > type.
</ p >
< a name = "fusion.functional.concepts.poly.refinement_of" ></ a >< h5 >
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< a name = "id656506" ></ a >
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< a href = "poly.html#fusion.functional.concepts.poly.refinement_of" > Refinement
of</ a >
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< div class = "itemizedlist" >< ul type = "disc" >
< li >< a href = "reg_callable.html" title = " Regular Callable
Object" > Regular Callable
Object</ a ></ li >
< li >< a href = "def_callable.html" title = " Deferred
Callable Object" > Deferred Callable
Object</ a ></ li >
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< div class = "variablelist" >
< p class = "title" >< b > Notation</ b ></ p >
< dl >
< dt >< span class = "term" >< tt class = "computeroutput" >< span class = "identifier" > F</ span ></ tt ></ span ></ dt >
< dd >< p >
A possibly const-qualified Polymorphic Function Object type
</ p ></ dd >
< dt >< span class = "term" >< tt class = "computeroutput" >< span class = "identifier" > f</ span ></ tt ></ span ></ dt >
< dd >< p >
An object or reference to an object of type F
</ p ></ dd >
< dt >< span class = "term" >< tt class = "computeroutput" >< span class = "identifier" > A1</ span >
< span class = "special" > ...</ span >< span class = "identifier" > AN</ span ></ tt ></ span ></ dt >
< dd >< p >
Argument types
</ p ></ dd >
< dt >< span class = "term" >< tt class = "computeroutput" >< span class = "identifier" > a1</ span >
< span class = "special" > ...</ span >< span class = "identifier" > aN</ span ></ tt ></ span ></ dt >
< dd >< p >
Objects or references to objects with types < tt class = "computeroutput" >< span class = "identifier" > A1</ span >
< span class = "special" > ...</ span >< span class = "identifier" > AN</ span ></ tt >
</ p ></ dd >
< dt >< span class = "term" >< tt class = "computeroutput" >< span class = "identifier" > T1</ span >
< span class = "special" > ...</ span >< span class = "identifier" > TN</ span ></ tt ></ span ></ dt >
< dd >< p >
< tt class = "computeroutput" >< span class = "identifier" > T</ span ></ tt > i is < tt class = "computeroutput" >< span class = "identifier" > A</ span ></ tt > i < tt class = "computeroutput" >< span class = "special" > & </ span ></ tt >
if < tt class = "computeroutput" >< span class = "identifier" > a</ span ></ tt > i is an LValue,
same as < tt class = "computeroutput" >< span class = "identifier" > A</ span ></ tt > i, otherwise
</ p ></ dd >
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< a name = "fusion.functional.concepts.poly.expression_requirements" ></ a >< h5 >
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< a name = "id656797" ></ a >
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< a href = "poly.html#fusion.functional.concepts.poly.expression_requirements" > Expression
requirements</ a >
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< col >
< col >
< col >
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< thead >< tr >
< th >
< p >
Expression
</ p >
</ th >
< th >
< p >
Return Type
</ p >
</ th >
< th >
< p >
Runtime Complexity
</ p >
</ th >
</ tr ></ thead >
< tbody >< tr >
< td >
< p >
< tt class = "computeroutput" >< span class = "identifier" > f</ span >< span class = "special" > (</ span >< span class = "identifier" > a1</ span >< span class = "special" > ,</ span >
< span class = "special" > ...</ span >< span class = "identifier" > aN</ span >< span class = "special" > )</ span ></ tt >
</ p >
</ td >
< td >
< p >
< tt class = "computeroutput" >< span class = "identifier" > result_of</ span >< span class = "special" > < </ span >
< span class = "identifier" > F</ span >< span class = "special" > (</ span >< span class = "identifier" > T1</ span >< span class = "special" > ,</ span >
< span class = "special" > ...</ span >< span class = "identifier" > TN</ span >< span class = "special" > )</ span > < span class = "special" > > ::</ span >< span class = "identifier" > type</ span ></ tt >
</ p >
</ td >
< td >
< p >
Unspecified
</ p >
</ td >
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< a name = "fusion.functional.concepts.poly.models" ></ a >< h5 >
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< a name = "id656995" ></ a >
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< a href = "poly.html#fusion.functional.concepts.poly.models" > Models</ a >
</ h5 >
< div class = "itemizedlist" >< ul type = "disc" >
< li >
function pointers
</ li >
< li >
function objects of the Standard Library
</ li >
< li >
all Fusion < a href = "../adapters.html" title = " Adapters" > functional adapters</ a >
</ li >
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< a name = "fusion.functional.concepts.poly.examples" ></ a >< h5 >
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< a name = "id657049" ></ a >
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< a href = "poly.html#fusion.functional.concepts.poly.examples" > Examples</ a >
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< pre class = "programlisting" >
< span class = "special" > & </ span > < span class = "identifier" > a_free_function</ span >
< span class = "special" > & </ span > < span class = "identifier" > a_class</ span >< span class = "special" > ::</ span >< span class = "identifier" > a_static_member_function</ span >
< span class = "identifier" > std</ span >< span class = "special" > ::</ span >< span class = "identifier" > less</ span >< span class = "special" > < </ span >< span class = "keyword" > int</ span >< span class = "special" > > ()</ span >
< span class = "comment" > // using namespace boost;
</ span >< span class = "identifier" > bind</ span >< span class = "special" > (</ span >< span class = "identifier" > std</ span >< span class = "special" > ::</ span >< span class = "identifier" > less</ span >< span class = "special" > < </ span >< span class = "keyword" > int</ span >< span class = "special" > > (),</ span > < span class = "identifier" > _1</ span >< span class = "special" > ,</ span > < span class = "number" > 5</ span >< span class = "special" > )</ span >
< span class = "comment" > // Note: Boost.Lambda expressions don't work with __boost_result_of__
</ span >< span class = "identifier" > fusion</ span >< span class = "special" > ::</ span >< a href = "../generation/functions/mk_fused_fobj.html" title = "
make_fused_function_object" >< tt class = "computeroutput" >< span class = "identifier" > make_fused_function_object</ span ></ tt ></ a >< span class = "special" > (</ span >< span class = "identifier" > std</ span >< span class = "special" > ::</ span >< span class = "identifier" > less</ span >< span class = "special" > < </ span >< span class = "keyword" > int</ span >< span class = "special" > > ())</ span >
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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 > )
2007-11-16 08:03:15 +00:00
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