Hi,

> I've very tired at the moment, but I think that Garrigue's
> polymap syntax extension does what you want:
> 
> http://www.math.nagoya-u.ac.jp/~garrigue/code/ocaml.html
> 
> If not, just ignore me!

I should have suspected this discussion would eventually lead
to something out of Jacques Garrigue's magic hat! :-)

But on a first glance, yes, it does look like it might be of interest.
I'll explore it further, thanks!

Cheers,
Dario