forked from boostorg/function
- Add trivial_manager that does nothing but copy object pointers - Add is_ref to determine if a type is a reference_wrapper - Add function_obj_ref_tag for reference_wrappers - Teach get_function_tag about reference_wrappers function_template.hpp: - Add assign_to overload for reference_wrappers (these don't throw) [SVN r11875]