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by trealira
731 days ago
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Yes, and AFAIK, you're pretty much free to cause side-effects in functional languages; it's just a bit awkward and somewhat discouraged. It's kind of like how C still has goto, yet it's still a structured programming language. Even in Haskell, which tries to control side-effects more, it's not hard; it's just that it's stuck with an "IO" annotation. Any function that calls an IO function also becomes an IO function; it's infectious. main :: IO ()
main = putStrLn "hello, world"
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