mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-07-02 18:05:15 -04:00
33 lines
2.2 KiB
ReStructuredText
33 lines
2.2 KiB
ReStructuredText
.. Copyright David Abrahams 2006. Distributed under 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)
|
|
|
|
Single Pass Iterator Concept
|
|
............................
|
|
|
|
A class or built-in type ``X`` models the *Single Pass Iterator*
|
|
concept if the following expressions are valid and respect the stated
|
|
semantics.
|
|
|
|
|
|
+------------------------------------------------------------------------------------------+
|
|
|Single Pass Iterator Requirements (in addition to Incrementable Iterator and Equality |
|
|
|Comparable) |
|
|
+--------------------------------+-----------------------------+---------------------------+
|
|
|Expression |Return Type |Assertion/Semantics / |
|
|
| | |Pre-/Post-condition |
|
|
+================================+=============================+===========================+
|
|
|``++r`` |``X&`` |pre: ``r`` is |
|
|
| | |dereferenceable; post: |
|
|
| | |``r`` is dereferenceable or|
|
|
| | |``r`` is past-the-end |
|
|
+--------------------------------+-----------------------------+---------------------------+
|
|
|``a == b`` |convertible to ``bool`` |``==`` is an equivalence |
|
|
| | |relation over its domain |
|
|
+--------------------------------+-----------------------------+---------------------------+
|
|
|``a != b`` |convertible to ``bool`` |``!(a == b)`` |
|
|
+--------------------------------+-----------------------------+---------------------------+
|
|
|``iterator_traversal<X>::type`` |Convertible to | |
|
|
| |``single_pass_traversal_tag``| |
|
|
+--------------------------------+-----------------------------+---------------------------+
|