In Haskell, C or Java, or any these languages, that function composition will fail at compile time. Type system will say: we'll not allow you to comp… - Joe Armstrong

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In Haskell, C or Java, or any these languages, that function composition will fail at compile time. Type system will say: we'll not allow you to compose things together because the types are wrong. But in Erlang, you can do anything you bloody would feel like just found together and know it at run time not at compile time. Some people think that is not so good. Some people think that is pretty cool. I will tell you why it's pretty cool. It's actually late binding, it makes decision late.