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Home/ Questions/Q 6771671
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Editorial Team
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Editorial Team
Asked: May 26, 20262026-05-26T15:27:35+00:00 2026-05-26T15:27:35+00:00

I often have situations where I leave main :: IO () functions in tests.

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I often have situations where I leave main :: IO () functions in tests. I can run these fine with runghc, but sometimes I want to compile them (e.g. for running on another platform). Is there a way to do this? If I run, for example,

ghc --make Test.Haar

where Test/Haar.hs has a main method, then nothing happens, it just creates the .o file.

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  1. Editorial Team
    Editorial Team
    2026-05-26T15:27:35+00:00Added an answer on May 26, 2026 at 3:27 pm
    ghc --make -main-is Test.Haar Test.Haar
    
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