Created
February 11, 2023 10:31
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| -- Due to Oleg | |
| Prelude GHC.IO> (return 'x' >>= const undefined :: IO Int) `seq` () | |
| () | |
| Prelude GHC.IO> (const undefined 'x' :: IO Int) `seq` () | |
| *** Exception: Prelude.undefined | |
| CallStack (from HasCallStack): | |
| undefined, called at <interactive>:9:8 in interactive:Ghci4 |
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