Dan Weston wrote:
Now I'm confused (which happens quite a lot, I'm afraid!)
Prelude> readFile undefined
*** Exception: Prelude.undefined
Prelude> readFile undefined >>= \cs -> putStrLn "Hello"
*** Exception: Prelude.undefined
It seems that readFile is strict in its argument. As for getLine, it has
no argument to be strict in.
This is the confusion between strict/lazy in the ordinary language
semantics sense, and strictIO/
lazyBrokenDangerousHereBeGremlinsSemanticallyUnsoundIO
Jules
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