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Showing content from https://cplusplus.github.io/LWG/issue448 below:

Random Access Iterators over abstract classes

This page is a snapshot from the LWG issues list, see the Library Active Issues List for more information and the meaning of CD1 status.

Section: 24.3.5.7 [random.access.iterators] Status: CD1 Submitter: Dave Abrahams Opened: 2004-01-07 Last modified: 2016-01-28

Priority: Not Prioritized

View all other issues in [random.access.iterators].

View all issues with CD1 status.

Discussion:

Table 76, the random access iterator requirement table, says that the return type of a[n] must be "convertible to T". When an iterator's value_type T is an abstract class, nothing is convertible to T. Surely this isn't an intended restriction?

Proposed resolution:

Change the return type to "convertible to T const&".

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