Reading input from stdin

Introducing `getLine` which reads the next line from stdin.

diff --git a/app/Main.hs b/app/Main.hs
index 16e49391cac7ef3f27a6cf3c0abffab9d0fe3794..a938cf0583568b53a4ccc6a49cb9a9bbf3d40558 100644 (file)
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -3,5 +3,5 @@ import System.Environment
 
 main :: IO ()
 main = do
-    args <- getArgs
-    putStrLn (show (read (args !! 0) + read (args !! 1)))
+    args <- getLine
+    putStrLn (args)