Return value polymorphism is hugely powerful though: it means you can write stuf... | Hacker News

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		moomin on April 24, 2017 \| parent \| context \| favorite \| on: From Monads to Machine Code Return value polymorphism is hugely powerful though: it means you can write stuff that works for any Monad (involving return). Without it you can't sensibly do that.

dllthomas on April 24, 2017 [–]

Sure you can. It just involves a little more manual plumbing. Certainly less convenient, but not actually as bad as all that in the typical case.

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