GHC 8.6.5
=====
import Data.Char
main = do
putStr "Give me some input: "
l <- getLine
putStrLn $ map toUpper l
====run====
my str
Give me some input:MY STR
===not:===
Give me some input:my str
MY STR
--
nowsnow
Try adding hFlush stdout just after your putStr (import System.IO)
--
Alex
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Thursday, March 19, 2020 12:36 PM, nowsnow
GHC 8.6.5
==========
import Data.Char
main = do putStr "Give me some input: " l <- getLine putStrLn $ map toUpper l ====run==== my str Give me some input:MY STR
===not:=== Give me some input:my str MY STR
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
nowsnow nowsnow@163.com
Beginners mailing list Beginners@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners
Try putStrLn or put "/n" at end of first putStr
main = do
putStrLn "Give me some input: "
l <- getLine
putStrLn $ map toUpper l
Mar 19, 2020 7:37:15 PM nowsnow
GHC 8.6.5 ===== import Data.Char
main = do putStr "Give me some input: " l <- getLine putStrLn $ map toUpper l ====run==== my str Give me some input:MY STR
===not:=== Give me some input:my str MY STR
-- nowsnow
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nowsnow