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Added BOOST_TRIBOOL_THIRD_STATE

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[SVN r556]
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Douglas Gregor
2002-10-03 14:16:18 +00:00
parent ff3246e479
commit 73d9be2102
1 changed files with 5 additions and 0 deletions
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doc/tribool.html
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@@ -90,6 +90,11 @@
}
</pre>
<p> Users may introduce additional keywords for the indeterminate value in addition to the implementation-supplied <code>indeterminate</code> using the <code>BOOST_TRIBOOL_THIRD_STATE</code> macro. For instance, the following macro instantiation (at the global scope) will introduce the keyword <code>maybe</code> as a synonym for <code>indeterminate</code> (also residing in the <code>boost</code> namespace):
<pre>
BOOST_TRIBOOL_THIRD_STATE(maybe)
</pre>
<a name="tables"><h2>Truth Tables</h2></a>
<p>
<table>