Re: [Haskell-beginners] having trouble with helloworld style program

On Mon, Aug 8, 2011 at 2:39 PM, Sunil S Nandihalli wrote:

Hello everybody,  All I want to do in the following code is to read  an integer from stdin and print it back to stdout. Can somebody help me fix my code snippet below.. Thanks, Sunil

module Main where import Prelude stringToInt::String->Int stringToInt str = read str main =     do x<-getLine        y<-stringToInt x        print y

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The code is *almost* right. You just need to change the second to last line to be: let y = stringToInt x Hoping someone else steps in with a good, beginner-friendly explanation of *why*. Michael