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< a name = "fusion.algorithm.query.functions.any" ></ a >< a class = "link" href = "any.html" title = "any" > any</ a >
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< a name = "fusion.algorithm.query.functions.any.description" ></ a >< h6 >
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< a name = "id749990" ></ a >
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< a class = "link" href = "any.html#fusion.algorithm.query.functions.any.description" > Description</ a >
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</ h6 >
< p >
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For a sequence < code class = "computeroutput" >< span class = "identifier" > seq</ span ></ code > and
unary function object < code class = "computeroutput" >< span class = "identifier" > f</ span ></ code > ,
< code class = "computeroutput" >< span class = "identifier" > any</ span ></ code > returns true if
< code class = "computeroutput" >< span class = "identifier" > f</ span ></ code > returns true for at
least one element of < code class = "computeroutput" >< span class = "identifier" > seq</ span ></ code > .
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< a name = "fusion.algorithm.query.functions.any.synopsis" ></ a >< h6 >
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< a name = "id750043" ></ a >
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< a class = "link" href = "any.html#fusion.algorithm.query.functions.any.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" > Sequence</ span >< span class = "special" > ,</ span >
< span class = "keyword" > typename</ span > < span class = "identifier" > F</ span >
< span class = "special" > > </ span >
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< span class = "keyword" > typename</ span > < a class = "link" href = "../metafunctions/any.html" title = "any" >< code class = "computeroutput" >< span class = "identifier" > result_of</ span >< span class = "special" > ::</ span >< span class = "identifier" > any</ span ></ code ></ a >< span class = "special" > < </ span >< span class = "identifier" > Sequence</ span >< span class = "special" > ,</ span >< span class = "identifier" > F</ span >< span class = "special" > > ::</ span >< span class = "identifier" > type</ span > < span class = "identifier" > any</ span >< span class = "special" > (</ span >
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< span class = "identifier" > Sequence</ span > < span class = "keyword" > const</ span >< span class = "special" > & </ span > < span class = "identifier" > seq</ span >< span class = "special" > ,</ span > < span class = "identifier" > F</ span > < span class = "identifier" > f</ span >< span class = "special" > );</ span >
</ pre >
< div class = "table" >
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< a name = "id751272" ></ a >< p class = "title" >< b > Table  1.43.  Parameters</ b ></ p >
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< div class = "table-contents" >< table class = "table" summary = "Parameters" >
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< colgroup >
< col >
< col >
< col >
</ colgroup >
< thead >< tr >
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< th >
< p >
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Parameter
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</ p >
</ th >
< th >
< p >
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Requirement
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</ p >
</ th >
< th >
< p >
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Description
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</ p >
</ th >
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</ tr ></ thead >
< tbody >
< tr >
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< td >
< p >
< code class = "computeroutput" >< span class = "identifier" > seq</ span ></ code >
</ p >
</ td >
< td >
< p >
A model of < a class = "link" href = "../../../sequence/concepts/forward_sequence.html" title = "Forward Sequence" > Forward
Sequence</ a > , < code class = "computeroutput" >< span class = "identifier" > f</ span >< span class = "special" > (</ span >< span class = "identifier" > e</ span >< span class = "special" > )</ span ></ code > must be a valid expression, convertible
to < code class = "computeroutput" >< span class = "keyword" > bool</ span ></ code > , for each
element < code class = "computeroutput" >< span class = "identifier" > e</ span ></ code > in < code class = "computeroutput" >< span class = "identifier" > seq</ span ></ code >
</ p >
</ td >
< td >
< p >
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The sequence to search
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</ p >
</ td >
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</ tr >
< tr >
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< td >
< p >
< code class = "computeroutput" >< span class = "identifier" > f</ span ></ code >
</ p >
</ td >
< td >
< p >
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A unary function object
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</ p >
</ td >
< td >
< p >
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The search predicate
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</ p >
</ td >
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</ tr >
</ tbody >
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</ table ></ div >
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</ div >
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< br class = "table-break" >< a name = "fusion.algorithm.query.functions.any.expression_semantics" ></ a >< h6 >
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< a name = "id751430" ></ a >
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< a class = "link" href = "any.html#fusion.algorithm.query.functions.any.expression_semantics" > Expression
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semantics</ a >
</ h6 >
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< pre class = "programlisting" >< a class = "link" href = "any.html" title = "any" >< code class = "computeroutput" >< span class = "identifier" > any</ span ></ code ></ a >< span class = "special" > (</ span >< span class = "identifier" > seq</ span >< span class = "special" > ,</ span > < span class = "identifier" > f</ 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" > bool</ span ></ code >
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</ p >
< p >
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< span class = "bold" >< strong > Semantics</ strong ></ span > : Returns true if and only
if < code class = "computeroutput" >< span class = "identifier" > f</ span >< span class = "special" > (</ span >< span class = "identifier" > e</ span >< span class = "special" > )</ span ></ code >
evaluates to < code class = "computeroutput" >< span class = "keyword" > true</ span ></ code > for some
element < code class = "computeroutput" >< span class = "identifier" > e</ span ></ code > in < code class = "computeroutput" >< span class = "identifier" > seq</ span ></ code > .
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</ p >
< a name = "fusion.algorithm.query.functions.any.complexity" ></ a >< h6 >
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< a name = "id751542" ></ a >
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< a class = "link" href = "any.html#fusion.algorithm.query.functions.any.complexity" > Complexity</ a >
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</ h6 >
< p >
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Linear. At most < code class = "computeroutput" >< a class = "link" href = "../../../sequence/intrinsic/metafunctions/size.html" title = "size" >< code class = "computeroutput" >< span class = "identifier" > result_of</ span >< span class = "special" > ::</ span >< span class = "identifier" > size</ span ></ code ></ a >< span class = "special" > < </ span >< span class = "identifier" > Sequence</ span >< span class = "special" > > ::</ span >< span class = "identifier" > value</ span ></ code > comparisons.
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</ p >
< a name = "fusion.algorithm.query.functions.any.header" ></ a >< h6 >
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< a name = "id751592" ></ a >
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< a class = "link" href = "any.html#fusion.algorithm.query.functions.any.header" > Header</ a >
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</ h6 >
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< 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" > any</ span >< span class = "special" > .</ span >< span class = "identifier" > hpp</ span >< span class = "special" > > </ span >
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< 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" > any</ span >< span class = "special" > .</ span >< span class = "identifier" > hpp</ span >< span class = "special" > > </ span >
</ pre >
< a name = "fusion.algorithm.query.functions.any.example" ></ a >< h6 >
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< a name = "id751707" ></ a >
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< a class = "link" href = "any.html#fusion.algorithm.query.functions.any.example" > Example</ a >
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</ h6 >
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< pre class = "programlisting" >< span class = "keyword" > struct</ span > < span class = "identifier" > odd</ span >
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< span class = "special" > {</ span >
< 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 = "keyword" > bool</ span > < span class = "keyword" > operator</ span >< span class = "special" > ()(</ span >< span class = "identifier" > T</ span > < span class = "identifier" > t</ span >< span class = "special" > )</ span > < span class = "keyword" > const</ span >
< span class = "special" > {</ span >
< span class = "keyword" > return</ span > < span class = "identifier" > t</ span > < span class = "special" > %</ span > < span class = "number" > 2</ span >< span class = "special" > ;</ span >
< span class = "special" > }</ span >
< span class = "special" > };</ span >
< span class = "special" > ...</ span >
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< span class = "identifier" > assert</ span >< span class = "special" > (</ span >< a class = "link" href = "any.html" title = "any" >< code class = "computeroutput" >< span class = "identifier" > any</ span ></ code ></ a >< span class = "special" > (</ span >< a class = "link" href = "../../../container/generation/functions/make_vector.html" title = "make_vector" >< code class = "computeroutput" >< span class = "identifier" > make_vector</ span ></ code ></ a >< span class = "special" > (</ span >< span class = "number" > 1</ span >< span class = "special" > ,</ span >< span class = "number" > 2</ span >< span class = "special" > ),</ span > < span class = "identifier" > odd</ span >< span class = "special" > ()));</ span >
< span class = "identifier" > assert</ span >< span class = "special" > (!</ span >< a class = "link" href = "any.html" title = "any" >< code class = "computeroutput" >< span class = "identifier" > any</ span ></ code ></ a >< span class = "special" > (</ span >< a class = "link" href = "../../../container/generation/functions/make_vector.html" title = "make_vector" >< code class = "computeroutput" >< span class = "identifier" > make_vector</ span ></ code ></ a >< span class = "special" > (</ span >< span class = "number" > 2</ span >< span class = "special" > ,</ span >< span class = "number" > 4</ span >< span class = "special" > ),</ span > < span class = "identifier" > odd</ span >< span class = "special" > ()));</ span >
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</ pre >
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< 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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