[Haskell-cafe] Re: Why?

[John Van Enk]

If anything, I'd flip those two...

On the backend, things are anything but pure but it helps us reason about
the program on the front end.

Laziness also isn't nearly as prevalent on the backend as it is on the front
end.

Even though we can reason about things using purity and laziness on the
front, the compiler often times makes an identical situation that runs a lot
faster using strictness and mutation on the back.

/jve

On Thu, Dec 10, 2009 at 11:09 AM, John D. Earle <JohnDEarle at cox.net> wrote:

>  Laziness is on the logic front end and purity is on the execution back
> end.
>
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