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  1. a = 5
  2. a = 9
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
[1 of 1] Compiling Main             ( prog.hs, prog.o )

prog.hs:2:1:
    Multiple declarations of `a'
    Declared at: prog.hs:1:1
                 prog.hs:2:1
stdout
Standard output is empty