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T7851.hs:5:10: error:
• Couldn't match expected type: IO a0
with actual type: a1 -> IO ()
• Probable cause: ‘print’ is applied to too few arguments
In a stmt of a 'do' block: print
In the expression:
do print
print "Hello"
In an equation for ‘bar’:
bar
= do print
print "Hello"
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