Emanuel: I was trying to build infinite list from -inf to +inf.

Bob: What would you expect the number after -inf to be?

Wait a minute, let's just talk about the head of the list. What type is the list element? Int? Integer? If Int, there's minBound :: Bounded Int => Int. If Integer, no such instance exists!

So perhaps you want [minBound .. maxBound] :: [Int]?

-- Kim-Ee



On Tue, Dec 18, 2012 at 10:16 PM, Tom Davie <tom.davie@gmail.com> wrote:

On 18 Dec 2012, at 14:35, Emanuel Koczwara <poczta@emanuelkoczwara.pl> wrote:

> Hi,
>
> Dnia 2012-12-18, wto o godzinie 20:30 +0600, Alexander _ pisze:
>> Hello,
>>
>>
>>
>> Here you try to reverse infinite list. What do you expect to get?
>>
>
>  I was trying to build infinite list from -inf to +inf.

What would you expect the number after -inf to be?

Bob

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