[Haskell-cafe] List comprehensions with Word8

[Felipe Almeida Lessa]

Prelude> 1000000000 `mod` 256
0

So [1..1000000000] == [1..0].

Cheers,

On Thu, May 16, 2013 at 6:15 PM, Jose A. Lopes <jose.lopes at ist.utl.pt> wrote:
> Hello everyone,
>
> I was playing with Word8 and list comprehensions and
> the following examples came up. I have to admit the
> behavior looks quite strange because it does not seem
> to be consistent. Can someone shed some light on reason
> behind some of these outputs?
>
> By the way, I have abbreviated some outputs with ellipsis ...
>
> [1..10] :: [Word8]
> [1,2,3,4,5,6,7,8,9,10]
>
> [1..100] :: [Word8]
> [1,2,3,4,5,6,7,8,9,10,...,100]
>
> [1..1000] :: [Word8]
> [1,2,3,4,5,6,7,8,9,10,...,232]
>
> [1..10000] :: [Word8]
> [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]
>
> [1..100000] :: [Word8]
> [1,2,3,4,5,6,7,8,9,10,...,160]
>
> [1..1000000] :: [Word8]
> [1,2,3,4,5,6,7,8,9,10,...,64]
>
> [1..10000000] :: [Word8]
> [1,2,3,4,5,6,7,8,9,10,...,128]
>
> [1..100000000] :: [Word8]
> []
>
> [1..1000000000] :: [Word8]
> []
>
> Thank you,
> Jose
>
> --
> José António Branquinho de Oliveira Lopes
> Instituto Superior Técnico
> Technical University of Lisbon
>
>
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-- 
Felipe.