This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 117b. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.
2025-08-11
30. Valid uses of "::template"Section: 13.3 [temp.names] Status: TC1 Submitter: Daveed Vandevoorde Date: 28 May 1998I have a request for clarification regarding a issue similar to John Wiegley's, but wrt. the ::template syntax. More precisely, where is
X::template Yallowed? (It is required for dependent X where Y is a template-id, I believe, but it doesn't seem to be disallowed elsewhere.)
The question also holds for '.template' and '->template'.
Proposed Resolution (04/99): Append to 13.3 [temp.names] paragraph 5:
Furthermore, names of member templates shall not be prefixed by the keyword template if the postfix-expression or qualified-id does not appear in the scope of a template. [Note: just as is the case with the typename prefix, the template prefix is allowed in cases where it is not strictly necessary; i.e., when the expression on the left of the -> or ., or the nested-name-specifier is not dependent on a template-parameter. ]
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