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<HTML><HEAD><TITLE>Boost PREPROCESSOR library</TITLE><BODY bgcolor="#FFFFFF">
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<title>Boost.Preprocessor</title>
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<h3><a href="../../../../index.htm"><img height="86" width="277" alt="C++ Boost" src="../../../../c++boost.gif" border="0"></a></h3>
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<h1 align="center">Boost.Preprocessor</h1>
<h2 align="center">Reference</h2>
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<H1>#include &lt;<a href="../../../../boost/preprocessor/list/transform.hpp">boost/preprocessor/list/transform.hpp</a>&gt;</H1>
<a href="list_to_tuple.htm">Prev</a> <a href="logical.htm">Next</a> <a href="index.htm#Macros">Macros</a> <a href="index.htm#Headers">Headers</a>
<hr>
<h1>#include &lt;<a href="../../../../boost/preprocessor/list/transform.hpp">boost/preprocessor/list/transform.hpp</a>&gt;</h1>
<hr>
<H2><a name="BOOST_PP_LIST_TRANSFORM">#define BOOST_PP_LIST_TRANSFORM</a>(F,P,L)</H2>
<P>Applies the macro F(D,P,X) to each element X of the list producing a new list.</P>
<h2><a name="BOOST_PP_LIST_TRANSFORM">#define BOOST_PP_LIST_TRANSFORM</a>(F,P,L)</h2>
<p>Applies the macro <code>F(D,P,X)</code> to each element <code>X</code>
of the list producing a new list.</p>
<P>In other words, <a href="list_transform.htm#BOOST_PP_LIST_TRANSFORM">BOOST_PP_LIST_TRANSFORM</a>(F,P,L) expands to same as:</P>
<p>In other words, expands to:</p>
<PRE>
<pre>
<a href="list_adt.htm#BOOST_PP_LIST_CONS">BOOST_PP_LIST_CONS</a>(F(D,P,<a href="list_at.htm#BOOST_PP_LIST_AT">BOOST_PP_LIST_AT</a>(L,0)),
<a href="list_adt.htm#BOOST_PP_LIST_CONS">BOOST_PP_LIST_CONS</a>(F(D,P,<a href="list_at.htm#BOOST_PP_LIST_AT">BOOST_PP_LIST_AT</a>(L,1)),
...
<a href="list_adt.htm#BOOST_PP_LIST_CONS">BOOST_PP_LIST_CONS</a>(F(D,P,<a href="list_at.htm#BOOST_PP_LIST_AT">BOOST_PP_LIST_AT</a>(L,<a href="dec.htm#BOOST_PP_DEC">BOOST_PP_DEC</a>(<a href="list_size.htm#BOOST_PP_LIST_SIZE">BOOST_PP_LIST_SIZE</a>(L)))),
<a href="list_adt.htm#BOOST_PP_LIST_NIL">BOOST_PP_LIST_NIL</a>) ... ))
</PRE>
</pre>
<P>For example,</P>
<p>For example,</p>
<PRE>
<pre>
<a href="list_transform.htm#BOOST_PP_LIST_TRANSFORM">BOOST_PP_LIST_TRANSFORM</a>(BOOST_PP_ADD_D,2,<a href="tuple_to_list.htm#BOOST_PP_TUPLE_TO_LIST">BOOST_PP_TUPLE_TO_LIST</a>(2,(1,2)))
</PRE>
</pre>
<P>expands to a list containing 3 and 4.</P>
<p>expands to the same as:</p>
<H3>Uses</H3>
<UL>
<LI><a href="while.htm#BOOST_PP_WHILE">BOOST_PP_WHILE</a>()
</UL>
<pre>
<a href="tuple_to_list.htm#BOOST_PP_TUPLE_TO_LIST">BOOST_PP_TUPLE_TO_LIST</a>(2,(3,4))
</pre>
<h3>Uses</h3>
<ul>
<li><a href="list_fold_right.htm#BOOST_PP_LIST_FOLD_RIGHT">BOOST_PP_LIST_FOLD_RIGHT</a>()</li>
</ul>
<hr>
<p>(C) Copyright Housemarque Oy 2002</p>
<a href="list_to_tuple.htm">Prev</a> <a href="logical.htm">Next</a> <a href="index.htm#Macros">Macros</a> <a href="index.htm#Headers">Headers</a>
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