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Showing content from https://cplusplus.github.io/CWG/issues/1015.html below:

CWG Issue 1015

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

1015. Template arguments and argument-dependent lookupSection: 6.5.4 [basic.lookup.argdep] Status: C++11 Submitter: Jason Merrill Date: 2009-12-24

[Voted into the WP at the March, 2011 meeting as part of paper N3262.]

Currently, according to 6.5.4 [basic.lookup.argdep] paragraph 2, explicit template arguments in a function argument do not contribute to the associated namespaces in a function call, although they plausibly should in an example like the following:

    namespace N {
        struct S { };
        void f(void (*)(S));
    };

    template<typename T> void g(T);

    void h() {
        f(g<N::S>);    // Should find N::f
    }