> Is there any efficiency difference between:
> module Foo = Make (Bar) (Baz)
> and
> module Both = struct module Bar = Bar module Baz = Baz end
> module Foo = Make (Both)
> In other words, is it better to coalesce structures into a single
> functor application rather than to apply multiple functors?  Do I
> pay more indirection costs in the first case?  Thanks.

Actually, you pay one more indirection in the second case (Make(Both)).

- Xavier Leroy
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