How to explicitly instantiate a template for all members of MPL vector in C++?

Question

Consider the following header file:

// Foo.h
class Foo {
    public: 
        template 
        void read(T& value);
};

I

Answer 1

explicit instantiation has special grammar and special meaning to complier, so cannot be done with meta programming.

your solution cause a instantiation, but not a explicit instantiation.