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From: David MENTRE <dmentre@linux-france.org>
Date: Thu, 10 Jan 2013 09:13:49 +0100
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To: Malcolm Matalka <mmatalka@gmail.com>
Cc: Francois Berenger <berenger@riken.jp>, caml-list <caml-list@inria.fr>
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Subject: Re: [Caml-list] some beautiful OCaml code

Hello,

2013/1/9 Malcolm Matalka <mmatalka@gmail.com>:
> The problem polymorphic variants are solving here is that if you want to
> sequence unrelated functions but return their errors, you have to join
> their return types with the return types of the function that is calling
> them.  Polymorphic variants basically do this for you without every
> function defining its own error return variant.

Thank you Malcolm, Gerd and Kristopher for the helpful comments.

Best regards,
david