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[SVN r21648]
This commit is contained in:
Jeremy Siek
2004-01-12 20:50:44 +00:00
parent 4d13c285ea
commit 19dbb5304c
2 changed files with 29 additions and 35 deletions
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doc/new-iter-concepts.rst
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@ -525,28 +525,25 @@ concept if, in addition to ``X`` meeting the requirements of Single
Pass Iterator, the following expressions are valid and respect the
stated semantics.
+-------------------------------------------------------------------------------------------+
|Forward Traversal Iterator Requirements (in addition to Single Pass Iterator) |
+---------------------------------------+-----------------------------------+---------------+
|Expression |Return Type |Assertion/Note |
+=======================================+===================================+===============+
|``X u;`` |``X&`` |note: ``u`` may|
| | |have a singular|
| | |value. |
+---------------------------------------+-----------------------------------+---------------+
|``++r`` |``X&`` |``r == s`` and |
| | |``r`` is |
| | |dereferenceable|
| | |implies ``++r |
| | |== ++s.`` |
+---------------------------------------+-----------------------------------+---------------+
|``iterator_traits<X>::difference_type``|A signed integral type representing| |
| |the distance between iterators | |
| | | |
+---------------------------------------+-----------------------------------+---------------+
|``traversal_category<X>::type`` |Convertible to | |
| |``forward_traversal_tag`` | |
+---------------------------------------+-----------------------------------+---------------+
+--------------------------------------------------------------------------------------------------------+
|Forward Traversal Iterator Requirements (in addition to Default Constructible and Single Pass Iterator) |
+---------------------------------------+-----------------------------------+----------------------------+
|Expression |Return Type |Assertion/Note |
+=======================================+===================================+============================+
|``X u;`` |``X&`` |note: ``u`` may have a |
| | |singular value. |
+---------------------------------------+-----------------------------------+----------------------------+
|``++r`` |``X&`` |``r == s`` and ``r`` is |
| | |dereferenceable implies |
| | |``++r == ++s.`` |
+---------------------------------------+-----------------------------------+----------------------------+
|``iterator_traits<X>::difference_type``|A signed integral type representing| |
| |the distance between iterators | |
| | | |
+---------------------------------------+-----------------------------------+----------------------------+
|``traversal_category<X>::type`` |Convertible to | |
| |``forward_traversal_tag`` | |
+---------------------------------------+-----------------------------------+----------------------------+
.. TR1: forward_traversal_iterator_tag changed to
forward_traversal_tag for consistency