Added BOOST_TRIBOOL_THIRD_STATE

[SVN r556]
This commit is contained in:
Douglas Gregor
2002-10-03 14:16:18 +00:00
parent ff3246e479
commit 73d9be2102

View File

@@ -90,6 +90,11 @@
} }
</pre> </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> <a name="tables"><h2>Truth Tables</h2></a>
<p> <p>
<table> <table>