Hello!
I am learning Haskell according to the Yet Another Haskell Tutorial by Hal
Daume Ill.
One of the exercises involves
a) asking the user to enter several numbers (while the end of the sequence is
indicated by entering 0)
b) calculate the sum of those numbers.
The program given below tries
Dmitri Pissarenko [EMAIL PROTECTED] writes:
a) asking the user to enter several numbers (while the end of the sequence is
indicated by entering 0)
b) calculate the sum of those numbers.
...
Here is a corrected version:
module Main where
import IO
Delete this.
main = do
comments inline...
module Main
where
import IO
main = do
hSetBuffering stdin LineBuffering
words - askForNumbers
printWords words
map read words
putStrLn The sum is
foldl (+) 0 words
as you noted map read words is a problematic line. The
Thanks all for the help!
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PROTECTED]]
Sent: Monday, August 16, 1999 00:45
To: glasgow-haskell-users
Subject: (Stupid?) newbie question
Hi, folks!
I have recently downloaded ghc-4.03 (under win32/cygwin) and everything
seems to work great, but somehow the following code snippet does not
work as intended:
import System
