[Haskell-cafe] Is () a 0-length tuple?
Conor McBride
conor at strictlypositive.org
Sun Nov 8 05:03:38 EST 2009
How about this?
{-# LANGUAGE ThinkTotal #-}
On 8 Nov 2009, at 09:53, Svein Ove Aas wrote:
> On Sun, Nov 8, 2009 at 9:52 AM, Ketil Malde <ketil at malde.org> wrote:
>> Eugene Kirpichov <ekirpichov at gmail.com> writes:
>>
>>>> In JavaScript there is a "null" value, that is the only value of
>>>> the null type.
>>>> Isn't () the same thing? The only value of the unary type?
>>
>>> No, () has two values: () and undefined (t.i., _|_).
() is the only value of ().
If we could agree a standard set of email pragmas, we could save
ourselves a lot of violent agreement.
Cheers
Conor
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