[Haskell-beginners] reverse [1..]

[Emmanuel Touzery]

> Hi,
>
>    When I run this code in ghci:
>
>      reverse [1..]
>
>    I get:
>
>      <interactive>: out of memory (requested 2097152 bytes)
>
>    Can anyone explain this behaviour?
>

It is an infinite list you are trying to reverse. This cannot terminate. 
Which is the first element you would expect to see in the result?

Those two will finish:

reverse $ take 100 [1..]
reverse [1..100]

Emmanuel