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Void type?
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Date: 2007-07-28 (18:49)
From: Stefan Monnier <monnier@i...>
Subject: Re: [Caml-list] Void type?
>> Is there a void type in OCaml (i.e. a type which has no values), or a way to
>> simulate it?

> If you're looking for a "true" void (as opposed to the unit type,
> which has exactly one value), just declaring it as an abstract type:

> type void

> should do the trick.  You will be unable to instantiate any values of
> that type using pure O'Caml (i.e. no Obj.magic or C code).

But can I pass [] to a function that expects a "void list"?