Re: [Haskell-cafe] Re: Why?

[Eugene Kirpichov]

2009/12/10 John D. Earle <JohnDEarle@xxxxxxx>:
> My intuition says that laziness and purity are distinct whereas yours says
> that purity is a necessary condition. This is what needs to be reconciled.
>

Mixing impurity and laziness makes code whose behavior is too hard to
understand. So, there is no theoretical reason not to mix them, but
there is a practical one.

> I believe that everyone is thinking that lazy evaluation and strict
> evaluation are similar activities whereas they are profoundly different.
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-- 
Eugene Kirpichov
Web IR developer, market.yandex.ru
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