[Haskell-cafe] list comprehension doesn't work
Danny Gratzer
danny.gratzer at gmail.com
Tue May 14 17:48:15 CEST 2013
> 1. Does the order of conditions affect the result at all?
>
Conditions, I don't believe so, the ordering/placement of bindings though
can effect the results a great deal.
When I say bindings, I mean something that involves a <-
> 2. The "," means AND or &&, right? So how do you write OR || instead? E.g
> z<-[1..10] OR z<-[100..110].
>
For that scenario I'd just append the lists, z <- [1..10]++[100..110], if
you wanted an or in conditions, you'd just use ||
> Allthough I tried it, but it says isProduct and isSquer are not in Scope,
> so
> I should define them first in WHERE-Clause right?
>
Yep, eg
listPairs = [...]
where isSquare = ...
isProduct = ...
--
Danny Gratzer
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