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more work on the specification of iterator_category

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[SVN r21662]
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Jeremy Siek
2004-01-13 05:56:29 +00:00
parent 2edb688882
commit ec8d069057
9 changed files with 157 additions and 49 deletions
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doc/transform_iterator_ref.rst
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@ -38,9 +38,24 @@
The ``reference`` type of ``transform_iterator`` is
``result_of<UnaryFunction(iterator_traits<Iterator>::reference)>::type``.
The ``value_type`` is ``remove_cv<remove_reference<reference> >::type``.
The ``iterator_category`` member is a type convertible to the tags
corresponding to each standard concept modeled by
``transform_iterator``, as described in the models section.
The ``iterator_category`` member is a type convertible to the iterator
tag given by the following algorithm. Let ``C`` be
``traveral_category<Iterator>::type``.
::
if (reference is a reference to value_type) then
if (C is convertible to random_access_traversal_tag) then
random_access_iterator_tag
else if (C is convertible to bidirectional_traversal_tag) then
bidirectional_iterator_tag
else
forward_iterator_tag
else
input_iterator_tag
``transform_iterator`` requirements