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Added some missing caveats

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[SVN r12267]
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John Maddock
2002-01-10 12:45:29 +00:00
parent 23b292cccd
commit 249fab960e
1 changed files with 13 additions and 2 deletions
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index.htm
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@ -529,7 +529,8 @@ relationship between two types:</p>
</td>
<td valign="top" width="25%" bgcolor="#C0C0C0">Note that
this template is currently broken with Borland's
compiler, for constructor-based conversions.</td>
compiler, for constructor-based conversions, and for the
Metrowerks compiler in all cases.</td>
<td valign="top" width="5%">&nbsp;</td>
</tr>
<tr>
@ -543,7 +544,16 @@ relationship between two types:</p>
</tr>
</table>
<p>&nbsp;</p>
<p>Note that both <code>is_convertible</code>, and <code>is_base_and_derived</code> can
produce compiler errors if the convertion is ambiguous:</p>
<pre>struct A {};
struct B : A {};
struct C : A {};
struct D : B, C {};
bool const x = boost::is_base_and_derived&lt;A,D&gt;::value; // error
bool const y = boost::is_convertible&lt;D*,A*&gt;::value; // error
</pre>
<h2><a name="transformations"></a>Transformations Between Types</h2>
@ -1324,3 +1334,4 @@ discussion list at <a
href="http://www.yahoogroups.com/list/boost">www.yahoogroups.com/list/boost</a>.</p>
</body>
</html>