You could also consider private type abbreviations:

https://caml.inria.fr/pub/docs/manual-ocaml/extn.html#sec236

On Mon, Mar 19, 2018 at 10:24 PM, SP <sp@orbitalfox.eu> wrote:

> On Fri, Mar 16, 2018 at 12:12:56PM +0100, Bahman Movaqar wrote:
>
>> To limit the values possible for a card's actual value, I defined `Value`
>> module (line 6) which basically maps a variant to integer values.
>> Is this the idiomatic approach? Is there something like Java's enum or
>> Pascal's subranges that I could use[1]?
>>
>
> Sicne I didn't notice anyone else answering this, yes the reason and way
> you wrote Value looks normal. There are preprocessors that can automate
> repetitive mappings, but I don't think they are an option to consider
> lightly.
>
> The rest of the code looked normal too, but I'm not familiar with the
> domain to help more.
>
> --
>         SP
>
>
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