[Haskell-cafe] Re: Exception handling in numeric computations

[Achim Schneider]

Henning Thielemann <schlepptop at henning-thielemann.de> wrote:

> Actually, I really object to have exception handling built into IO
> monad.
>
I couldn't agree more. If I want to write non-recovering code, I can
always just say

(Right foo) <- readLine

, and hope that the RTS is smart enough to print the error message in
the left constructor should that match fail.

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