Stefan Monnier <monnier@iro.umontreal.ca> writes:

> Indeed IIRC OCaml does not accept "App" as an expression (you have to
> provide arguments to the construct).  Maybe this is a good opportunity
> to lift this restriction.
>

I wish to see first class data constructors in OCaml someday.

>
> The types above don't allow partial applications either.  They use the
> OCaml/SML style of constructors were partial application is not possible
> because the various arguments are not provided in a curried way.

Probably it will never happen to un-curry the arguments for the data
constructors in OCaml. It is too massive change, but passing the
constructor as a standalone argument should be fairly possible, 

Wojciech