N3923: A SFINAE-Friendly std::iterator_traits, v3 -- Walter Brown

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Note: This paper was among the papers adopted into the draft Library Fundamentals TS yesterday at the Issaquah WA USA ISO C++ meeting.

A new WG21 paper is available. A copy is linked below, and the paper will also appear in the next normal WG21 mailing. If you are not a committee member, please use the comments section below or the std-proposals forum for public discussion.

Document number: N3923

Date: 2014-02-14

A SFINAE-Friendly std::iterator_traits, v3

by Walter Brown

Excerpt:

This paper provides wording to reformulate the specification of iterator_traits so as to avoid a hard error when its template argument does not have the member types expected of a nonpointer iterator, and thus to make the trait conveniently usable in a SFINAE context.

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