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[SVN r13169]
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Vesa Karvonen
2002-03-10 12:31:37 +00:00
parent 7202e6b56e
commit 03b37c307f
17 changed files with 205 additions and 31 deletions
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14
include/boost/preprocessor/while.hpp
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@ -26,6 +26,20 @@
<p>The depth of iteration is determined by <code>C(D,X)</code>.</p>
<p>For example,</p>
<pre>
#define C(D,X) BOOST_PP_LESS_D(D,BOOST_PP_TUPLE_ELEM(2,0,X),BOOST_PP_TUPLE_ELEM(2,1,X))
#define F(D,X) (BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(2,0,X)),BOOST_PP_TUPLE_ELEM(2,1,X))
BOOST_PP_WHILE(C,F,(0,3))
</pre>
<p>expands to:</p>
<pre>
(3,3)
</pre>
<h3>Legend</h3>
<ul>
<li><b>X</b> is the current state of iteration. The state is usually a tuple.</li>