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Showing content from https://cplusplus.github.io/LWG/issue558 below:

Issue 558: lib.input.iterators Defect

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

Section: 24.3.5.3 [input.iterators] Status: NAD Editorial Submitter: David Abrahams Opened: 2006-02-09 Last modified: 2016-01-28

Priority: Not Prioritized

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Discussion:

24.1.1 Input iterators [lib.input.iterators]

1 A class or a built-in type X satisfies the requirements of an input iterator for the value type T if the following expressions are valid, where U is the type of any specified member of type T, as shown in Table 73.

There is no capital U used in table 73. There is a lowercase u, but that is clearly not meant to denote a member of type T. Also, there's no description in 24.1.1 of what lowercase a means. IMO the above should have been...Hah, a and b are already covered in 24.1/11, so maybe it should have just been:

Proposed resolution:

Change 24.1.1p1:

-1- A class or a built-in type X satisfies the requirements of an input iterator for the value type T if the following expressions are valid , where U is the type of any specified member of type T, as shown in Table 73.

[ Portland: Editorial. ]

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