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  1. main = putStr $ concat [[x,x] | x <- "Does this work?"]
Success #stdin #stdout 0s 4584KB
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Standard input is empty
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DDooeess  tthhiiss  wwoorrkk??
https://ideone.com/LtgNE2
language:
Haskell (ghc 8.4.4)
created:
10 years ago
visibility:
public

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