Member function call in decltype

Question

The following code:

struct A
{
    int f(int);
    auto g(int x) -> decltype(f(x));
};

Fails to compile with the error:

erro         


        

Answer 1

Currently you can only access 'this' and members of the class inside the function body, but this is likely to be changed soon:

http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1207