[Haskell] Probably a trivial thing for people knowing Haskell

Friedrich frido at q-software-solutions.de
Sun Oct 19 11:18:40 EDT 2008

"Brandon S. Allbery KF8NH" <allbery at ece.cmu.edu> writes:

> On 2008 Oct 19, at 2:07, Friedrich wrote:
>> Howerver even if Strings are bad I can not see why they are hanging
>> around so long. I open a file a read it line by line and I close the
>> file so all read string are "garbage" and getting rid of them should
>> not be that hard or should it?
> If your code is too lazy, you have the whole file + the close
> operation hanging around in unevaluated thunks until you print the
> result and it all gets processed all at once.  Laziness is a double-
> edged sword.
Where in my code is this laziness hidden? Is it while recurions with
sum and count?


Q-Software Solutions GmbH; Sitz: Bruchsal; Registergericht: Mannheim 
Registriernummer: HRB232138; Geschaeftsfuehrer: Friedrich Dominicus

More information about the Haskell mailing list