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Fixed base() to always return const&. Cleaned up iterator_adaptor

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specification of inheritance and base class parameters.


[SVN r21821]
This commit is contained in:
Dave Abrahams
2004-01-18 20:54:59 +00:00
parent 309f741588
commit b6068667c9
20 changed files with 121 additions and 134 deletions
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4
doc/iterator_facade.html
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@ -408,7 +408,7 @@ traversal tags would add no information]</p>
<!-- subject to the Boost Software License, Version 1.0. (See accompanying -->
<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
<p>The <tt class="literal"><span class="pre">enable_if_interoperable</span></tt> template used above is for exposition
purposes. The member operators should be only be in an overload set
purposes. The member operators should only be in an overload set
provided the derived types <tt class="literal"><span class="pre">Dr1</span></tt> and <tt class="literal"><span class="pre">Dr2</span></tt> are interoperable,
meaning that at least one of the types is convertible to the other. The
<tt class="literal"><span class="pre">enable_if_interoperable</span></tt> approach uses SFINAE to take the operators
@ -785,7 +785,7 @@ operator -(iterator_facade&lt;Dr1,V1,TC1,R1,D1&gt; const&amp; lhs,
</tr>
<tr class="field"><th class="field-name">Returns:</th><td class="field-body">if <tt class="literal"><span class="pre">is_convertible&lt;Dr2,Dr1&gt;::value</span></tt>, then
<tt class="literal"><span class="pre">-lhs.distance_to(rhs)</span></tt>. Otherwise,
<tt class="literal"><span class="pre">-rhs.distance_to(lhs)</span></tt>.</td>
<tt class="literal"><span class="pre">rhs.distance_to(lhs)</span></tt>.</td>
</tr>
</tbody>
</table>