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: N3843
Date: 2014-01-01
A SFINAE-Friendly std::common_type
by Walter E. Brown
Excerpt:
This paper proposes to reformulate the specification of the
common_typetrait so as to avoid a hard error when there is no common type, and thus to make the trait conveniently usable in a SFINAE context.
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