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  1. main = -- your code goes here
  2. let add = \x y -> x + y
  3. print $ add
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
2 3
compilation info
[1 of 1] Compiling Main             ( prog.hs, prog.o )

prog.hs:3:5: error: parse error on input ‘print’
stdout
Standard output is empty