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changed algorithm for iterator_facade::iterator_category

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and for filter_iterator


[SVN r21686]
This commit is contained in:
Jeremy Siek
2004-01-13 18:09:30 +00:00
parent 45e90e0134
commit c6a5b7c292
5 changed files with 30 additions and 61 deletions
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15
doc/iterator_facade_ref.rst
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@@ -192,24 +192,19 @@ is a type which satisfies the following conditions:
&& C is convertible to forward_traversal_tag)
{
if (C is convertible to random_access_traversal_tag)
return random_access_iterator_tag
random_access_iterator_tag
else if (C is convertible to bidirectional_traversal_tag)
return bidirectional_iterator_tag
bidirectional_iterator_tag
else
return forward_traversal_tag
forward_iterator_tag
}
else
{
if (C is convertible to single_pass_traversal_tag
&& R is convertible to V)
{
if (V is const)
return input_iterator_tag
else
return input_iterator_tag and output_iterator_tag
}
input_iterator_tag
else
return output_iterator_tag
C
}
- ``iterator_traversal<X>::type`` is convertible to the most