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added portability note about using std::vector's as Base with VC++

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[SVN r12875]
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Toon Knapen 2002-02-21 12:09:46 +00:00
parent 19645a52e6
commit ad79a21abd
1 changed files with 15 additions and 0 deletions
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iterator_adaptors.htm
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@ -92,6 +92,8 @@
<li><a href="#declaration_synopsis">Declaration Synopsis</a> <li><a href="#declaration_synopsis">Declaration Synopsis</a>
<li><a href="#portability">Portability</a>
<li><a href="#notes">Notes</a> <li><a href="#notes">Notes</a>
</ul> </ul>
@ -812,6 +814,19 @@ bool operator==(const iterator_adaptor&lt;B1,P,V1,R1,P1,C,D&gt;&amp;,
// and similarly for operators !=, &lt;, &lt;=, &gt;=, &gt; // and similarly for operators !=, &lt;, &lt;=, &gt;=, &gt;
</pre> </pre>
<h3><a name="portability">Portability</a></h3>
<p>Generally, the iterator adaptors library can be compiled with all compilers
supporting iterator traits and type traits.</p>
<p>Microsoft VC++ is not able to handle iterator adaptors based on a
<code>vector<T>::iterator</code> without specifying all template paramters explicitly.
In case not all template parameters are specified explicitly, the iterator adaptors
library will deduce these types using iterator_traits. But since in VC++ a
<code>vector<T>::iterator</code> is a <code>T*</code>, VC++ can't handle using
iterator_traits due to the lack of partial template specialization.</p>
<h3><a name="notes">Notes</a></h3> <h3><a name="notes">Notes</a></h3>
<p><a name="1">[1]</a> The standard specifies that the <tt>value_type</tt> <p><a name="1">[1]</a> The standard specifies that the <tt>value_type</tt>