is there already a macro in Boost.Config that allows you to insert the "template" keyword in the following code for those compilers that require it?
struct functor{ template<class T> void operator()(); };
template<class F> void g(F f){ f.template operator()<int>(); //(1) works with GCC and comeau f.operator()<int>(); //(2) works with MSVC }
this apparently only applies to operator calls. MSVC accepts both (1) and (2) for regular functions.
(instantiating the operator template with an object of type T as argument, like mpl::for_each does, is not an option. I can't construct T.)
I know this is old, but I'd really like to see the right macro defect be added to Boost.Config.
Contrary to other comments of the thread, I think this is a core defect, and not just a corner case. The use case is also valid, and superior to the alternatives for a number of reasons.
Can you provide a patch? John.