Folks,
below is a MWE that compiles fine with g++ but fails with clang
(tested version 6.0.1 on a GNU/Linux box):
clang-problem.cpp:19:7: error:
no matching member function for call to 'zip'
bex.zip <&B::fun> ();
~~~~^~~~~~~~~~~~~
clang-problem.cpp:13:8: note: candidate template ignored:
invalid explicitly-specified argument for template parameter 'mf'
void zip () { }
^
To my best knowledge, the code is valid C++. This means there are two
possible corrolaries: either I'm wrong, and it is not valid C++
according to the standard, or clang++ has a bug. Hopefully, it's the
former.
Can you point out a solution?
Werner
======================================================================
class A {
public:
template <void (A::*mf)()>
void zip () { }
void fun () { }
};
class B : public A
{
public:
using A::zip; // Fails to involve A::zip in overloading resolution
template <void (B::*mf)()>
void zip () { }
} bex;
void x ()
{
bex.zip <&B::fun> ();
}
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