Incrementable Iterator Concept

.. 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)

Incrementable Iterator Concept ..............................

A class or built-in type X models the Incrementable Iterator concept if, in addition to X being Assignable and Copy Constructible, the following expressions are valid and respect the stated semantics.

+-------------------------------------------------------------------------------------+ |Incrementable Iterator Requirements (in addition to Assignable, Copy Constructible) | | | +--------------------------------+-------------------------------+--------------------+ |Expression |Return Type |Assertion/Semantics | +================================+===============================+====================+ |++r |X& |&r == &++r | +--------------------------------+-------------------------------+--------------------+ |r++ |X |:: | | | | | | | | { | | | | X tmp = r; | | | | ++r; | | | | return tmp; | | | | } | +--------------------------------+-------------------------------+--------------------+ |iterator_traversal<X>::type |Convertible to | | | |incrementable_traversal_tag| | +--------------------------------+-------------------------------+--------------------+