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Document BOOST_HAS_FACET macro

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[SVN r23455]
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Douglas Gregor
2004-07-12 03:15:38 +00:00
parent 17e578ef53
commit f0f854707d
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config.htm
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@@ -1065,6 +1065,17 @@ void g() { return f(); }</pre>
<p>Note do not add a std:: prefix to the front of BOOST_USE_FACET.</p>
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<td valign="top" width="50%">BOOST_HAS_FACET(Type, loc)</td>
<td valign="top" width="50%">When the standard library does not have a comforming
std::has_facet there are various workarounds available, but they differ from
library to library. This macro provides a consistent way to check a locale's
facets. For example, replace:<pre>std::has_facet&lt;Type&gt;(loc);</pre>
<p>with:</p>
<pre>BOOST_HAS_FACET(Type, loc);</pre>
<p>Note do not add a std:: prefix to the front of BOOST_HAS_FACET.</p>
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<td valign="top" width="50%">BOOST_NESTED_TEMPLATE</td>
<td valign="top" width="50%">Member templates are supported by some compilers even