On Sat, Dec 20, 2008 at 8:33 AM, Jason Dusek <jason.dusek@gmail.com> wrote:
 From an old thread:

> non-functions like unsafePerformIO are not technically part
> of the haskell language!

 How is this true, exactly?

The Haskell 98 report (http://www.haskell.org/onlinereport/), according to my cursory scan, makes no mention of unsafePerformIO.

Luke