Both Lisp and Ruby all follow that convention. Probably other languages, too, bu... | Hacker News

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		zzalpha on Oct 29, 2014 \| parent \| context \| favorite \| on: A Quick Intro to Rust Macros Both Lisp and Ruby all follow that convention. Probably other languages, too, but I'm too lazy to look... :)

steveklabnik on Oct 29, 2014 [–]

In Ruby, it does _not_ mean mutation. It means 'danger.' Sometimes that's mutation, sometimes its other things, like throwing an exception rather than returning nil on error.

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