%%%_* Macros ==================================================================
-define(fmap(F, Functor), do_functor:fmap(F, Functor)).

-define(do, fun do_either:do/2).
-define(doEither, fun do_either:do/2).
-define(doMaybe, fun do_maybe:do/2).

-define(pure, (do_monad:pure_with_ctx(?do_internal_ctx))).

-define(thunk(A), fun() -> A end).

%%%_* Macros Internal - May Change Any Time ===================================
-define(do_internal_ctx, element(2, process_info(self(), current_stacktrace))).