Re: runST $ unsafeIOToST $ ioWhatever

Henning Thielemann <[email protected]>
Newsgroups gmane.comp.lang.haskell.cafe
Message-ID <[email protected]>
On Sun, 14 Apr 2024, Folsk Pratima wrote:

> strError :: Int -> String
> strError errnum = runST $ unsafeIOToST ioString

Instead of (runST $ unsafeIOToST ioString) you could just call 
(unsafePerformIO ioString).

However, ioString must not have observable side effects. throwIO does not 
look right and should be 'error'.
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