17 Dec
2010
17 Dec
'10
8:15 a.m.
On 17 December 2010 13:59, Jacek Generowicz
What are some interesting, idiomatic ways of writing something similar to the following
λ> :m + Safe λ> let getValidatedInteger = getLine >>= maybe (do putStrLn "That doesn't seem to be an integer. Try again."; getValidatedInteger) return . readMay :: IO Integer Loading package safe-0.3 ... linking ... done. λ> getValidatedInteger a That doesn't seem to be an integer. Try again. 1 1 λ>