Re: [Haskell-cafe] Memoization/call-by-need

Alex Rozenshteyn schrieb:

I feel that there is something that I don't understand completely: I have been told that Haskell does not memoize function call, e.g.

...

slowFib 50 will run just as slowly each time it is called. However, I have read that Haskell has call-by-need semantics, which were described as "lazy evaluation with memoization"

http://www.haskell.org/haskellwiki/Memoization