[Haskell-cafe] unsafePerformIO: are we safe?

Adrian Hey ahey at iee.org
Wed Sep 26 17:08:31 EDT 2007

Chaddaï Fouché wrote:
> There can't be alternatives, unsafeIO throw by the window most
> guarantee that Haskell can give you and you have to provide them
> yourself (with a proof of this part of your program), but it's
> inherent to the nature of the beast, it's what it do !

What about ..


This as unsafe a use of unsafePerformIO as you'll ever find, but
necessary for real IO libs.

Adrian Hey

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