17 Oct
2008
17 Oct
'08
8:56 a.m.
Every statement in a do-expression has to be in the same monad. You are mixing the list monad (v0 <- [999]) with the IO monad (putStr "v0="). Instead of v0 <- [999] try: let v0 = [999] Hope this helps, Martijn. Larry Evans wrote:
On 10/17/08 07:39, Larry Evans wrote:
The attached code produces error: <-- cut here -- [snip]
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