2007-11-06 12:13:52 +00:00
< html >
< head >
2009-12-11 21:01:22 +00:00
< meta http-equiv = "Content-Type" content = "text/html; charset=US-ASCII" >
2007-11-06 12:13:52 +00:00
< title > count</ title >
2007-11-07 03:46:23 +00:00
< link rel = "stylesheet" href = "../../../../../../../../doc/html/boostbook.css" type = "text/css" >
2009-10-24 10:59:01 +00:00
< meta name = "generator" content = "DocBook XSL Stylesheets V1.75.1" >
2009-12-11 21:01:22 +00:00
< link rel = "home" href = "../../../../index.html" title = "Chapter 1. Fusion 2.0" >
2007-11-06 12:13:52 +00:00
< link rel = "up" href = "../metafunctions.html" title = "Metafunctions" >
2009-09-25 00:21:53 +00:00
< link rel = "prev" href = "find_if.html" title = "find_if" >
2007-11-06 12:13:52 +00:00
< link rel = "next" href = "count_if.html" title = "count_if" >
</ head >
< body bgcolor = "white" text = "black" link = "#0000FF" vlink = "#840084" alink = "#0000FF" >
< table cellpadding = "2" width = "100%" >< tr >
< td valign = "top" >< img alt = "Boost C++ Libraries" width = "277" height = "86" src = "../../../../../../../../boost.png" ></ td >
2008-07-17 23:59:22 +00:00
< td align = "center" >< a href = "../../../../../../../../index.html" > Home</ a ></ td >
2007-11-06 12:13:52 +00:00
< td align = "center" >< a href = "../../../../../../../libraries.htm" > Libraries</ a ></ td >
2008-07-17 23:59:22 +00:00
< td align = "center" >< a href = "http://www.boost.org/users/people.html" > People</ a ></ td >
< td align = "center" >< a href = "http://www.boost.org/users/faq.html" > FAQ</ a ></ td >
2007-11-06 12:13:52 +00:00
< td align = "center" >< a href = "../../../../../../../../more/index.htm" > More</ a ></ td >
</ tr ></ table >
< hr >
< div class = "spirit-nav" >
< a accesskey = "p" href = "find_if.html" >< img src = "../../../../../../../../doc/html/images/prev.png" alt = "Prev" ></ a >< a accesskey = "u" href = "../metafunctions.html" >< img src = "../../../../../../../../doc/html/images/up.png" alt = "Up" ></ a >< a accesskey = "h" href = "../../../../index.html" >< img src = "../../../../../../../../doc/html/images/home.png" alt = "Home" ></ a >< a accesskey = "n" href = "count_if.html" >< img src = "../../../../../../../../doc/html/images/next.png" alt = "Next" ></ a >
</ div >
2009-09-25 00:21:53 +00:00
< div class = "section" title = "count" >
< div class = "titlepage" >< div >< div >< h5 class = "title" >
< a name = "fusion.algorithm.query.metafunctions.count" ></ a >< a class = "link" href = "count.html" title = "count" > count</ a >
</ h5 ></ div ></ div ></ div >
2007-11-06 12:13:52 +00:00
< a name = "fusion.algorithm.query.metafunctions.count.description" ></ a >< h6 >
2009-12-29 18:29:59 +00:00
< a name = "id763247" ></ a >
2009-09-25 00:21:53 +00:00
< a class = "link" href = "count.html#fusion.algorithm.query.metafunctions.count.description" > Description</ a >
2007-11-06 12:13:52 +00:00
</ h6 >
< p >
2009-09-25 00:21:53 +00:00
A metafunction that returns the result type of < code class = "computeroutput" >< span class = "identifier" > count</ span ></ code >
2007-11-06 12:13:52 +00:00
given the sequence and search types.
</ p >
< a name = "fusion.algorithm.query.metafunctions.count.synopsis" ></ a >< h6 >
2009-12-29 18:29:59 +00:00
< a name = "id763273" ></ a >
2009-09-25 00:21:53 +00:00
< a class = "link" href = "count.html#fusion.algorithm.query.metafunctions.count.synopsis" > Synopsis</ a >
2007-11-06 12:13:52 +00:00
</ h6 >
2009-02-22 06:27:12 +00:00
< pre class = "programlisting" >< span class = "keyword" > template</ span >< span class = "special" > < </ span >
2007-11-06 12:13:52 +00:00
< span class = "keyword" > typename</ span > < span class = "identifier" > Sequence</ 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" > count</ span >
< span class = "special" > {</ span >
< span class = "keyword" > typedef</ span > < span class = "keyword" > int</ span > < span class = "identifier" > type</ span >< span class = "special" > ;</ span >
< span class = "special" > };</ span >
</ pre >
< div class = "table" >
2009-12-29 18:29:59 +00:00
< a name = "id763359" ></ a >< p class = "title" >< b > Table  1.55.  Parameters</ b ></ p >
2009-09-25 00:21:53 +00:00
< div class = "table-contents" >< table class = "table" summary = "Parameters" >
2007-11-06 12:13:52 +00:00
< colgroup >
< col >
< col >
< col >
</ colgroup >
< thead >< tr >
2009-09-25 00:21:53 +00:00
< th >
< p >
2007-11-06 12:13:52 +00:00
Parameter
2009-09-25 00:21:53 +00:00
</ p >
</ th >
< th >
< p >
2007-11-06 12:13:52 +00:00
Requirement
2009-09-25 00:21:53 +00:00
</ p >
</ th >
< th >
< p >
2007-11-06 12:13:52 +00:00
heading Description
2009-09-25 00:21:53 +00:00
</ p >
</ th >
2007-11-06 12:13:52 +00:00
</ tr ></ thead >
< tbody >
< tr >
2009-09-25 00:21:53 +00:00
< td >
< p >
< code class = "computeroutput" >< span class = "identifier" > Sequence</ span ></ code >
</ p >
</ td >
< td >
< p >
A model of < a class = "link" href = "../../../sequence/concepts/forward_sequence.html" title = "Forward Sequence" > Forward
2007-11-06 12:13:52 +00:00
Sequence</ a >
2009-09-25 00:21:53 +00:00
</ p >
</ td >
< td >
< p >
2007-11-06 12:13:52 +00:00
Operation's argument
2009-09-25 00:21:53 +00:00
</ p >
</ td >
2007-11-06 12:13:52 +00:00
</ tr >
< tr >
2009-09-25 00:21:53 +00:00
< td >
< p >
< code class = "computeroutput" >< span class = "identifier" > T</ span ></ code >
</ p >
</ td >
< td >
< p >
2007-11-06 12:13:52 +00:00
Any type
2009-09-25 00:21:53 +00:00
</ p >
</ td >
< td >
< p >
2007-11-06 12:13:52 +00:00
Operation's argument
2009-09-25 00:21:53 +00:00
</ p >
</ td >
2007-11-06 12:13:52 +00:00
</ tr >
</ tbody >
2009-09-25 00:21:53 +00:00
</ table ></ div >
2007-11-06 12:13:52 +00:00
</ div >
2009-09-25 00:21:53 +00:00
< br class = "table-break" >< a name = "fusion.algorithm.query.metafunctions.count.expression_semantics" ></ a >< h6 >
2009-12-29 18:29:59 +00:00
< a name = "id763476" ></ a >
2009-09-25 00:21:53 +00:00
< a class = "link" href = "count.html#fusion.algorithm.query.metafunctions.count.expression_semantics" > Expression
2007-11-06 12:13:52 +00:00
Semantics</ a >
</ h6 >
2009-09-25 00:21:53 +00:00
< pre class = "programlisting" >< a class = "link" href = "count.html" title = "count" >< code class = "computeroutput" >< span class = "identifier" > result_of</ span >< span class = "special" > ::</ span >< span class = "identifier" > count</ span ></ code ></ a >< span class = "special" > < </ span >< span class = "identifier" > T</ span >< span class = "special" > > ::</ span >< span class = "identifier" > type</ span >
2007-11-06 12:13:52 +00:00
</ pre >
< p >
2009-09-25 00:21:53 +00:00
< span class = "bold" >< strong > Return type</ strong ></ span > : < code class = "computeroutput" >< span class = "keyword" > int</ span ></ code > .
2007-11-06 12:13:52 +00:00
</ p >
< p >
2009-09-25 00:21:53 +00:00
< span class = "bold" >< strong > Semantics</ strong ></ span > : Returns the return type of
< a class = "link" href = "../functions/count.html" title = "count" >< code class = "computeroutput" >< span class = "identifier" > count</ span ></ code ></ a > . The return type is always
< code class = "computeroutput" >< span class = "keyword" > int</ span ></ code > .
2007-11-06 12:13:52 +00:00
</ p >
< a name = "fusion.algorithm.query.metafunctions.count.complexity" ></ a >< h6 >
2009-12-29 18:29:59 +00:00
< a name = "id763567" ></ a >
2009-09-25 00:21:53 +00:00
< a class = "link" href = "count.html#fusion.algorithm.query.metafunctions.count.complexity" > Complexity</ a >
2007-11-06 12:13:52 +00:00
</ h6 >
< p >
Constant.
</ p >
< a name = "fusion.algorithm.query.metafunctions.count.header" ></ a >< h6 >
2009-12-29 18:29:59 +00:00
< a name = "id763584" ></ a >
2009-09-25 00:21:53 +00:00
< a class = "link" href = "count.html#fusion.algorithm.query.metafunctions.count.header" > Header</ a >
2007-11-06 12:13:52 +00:00
</ h6 >
2009-02-22 06:27:12 +00:00
< 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" > algorithm</ span >< span class = "special" > /</ span >< span class = "identifier" > query</ span >< span class = "special" > /</ span >< span class = "identifier" > count</ span >< span class = "special" > .</ span >< span class = "identifier" > hpp</ span >< span class = "special" > > </ span >
2007-11-06 12:13:52 +00:00
< 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" > count</ span >< span class = "special" > .</ span >< span class = "identifier" > hpp</ span >< span class = "special" > > </ span >
</ pre >
</ div >
< table xmlns:rev = "http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width = "100%" >< tr >
< td align = "left" ></ td >
2009-12-11 21:01:22 +00:00
< td align = "right" >< div class = "copyright-footer" > Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
2007-11-07 02:12:28 +00:00
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 > )
2007-11-14 10:17:09 +00:00
</ p >
</ div ></ td >
2007-11-06 12:13:52 +00:00
</ tr ></ table >
< hr >
< div class = "spirit-nav" >
< a accesskey = "p" href = "find_if.html" >< img src = "../../../../../../../../doc/html/images/prev.png" alt = "Prev" ></ a >< a accesskey = "u" href = "../metafunctions.html" >< img src = "../../../../../../../../doc/html/images/up.png" alt = "Up" ></ a >< a accesskey = "h" href = "../../../../index.html" >< img src = "../../../../../../../../doc/html/images/home.png" alt = "Home" ></ a >< a accesskey = "n" href = "count_if.html" >< img src = "../../../../../../../../doc/html/images/next.png" alt = "Next" ></ a >
</ div >
</ body >
</ html >
