> Also, zero-cost abstraction is likely the biggest bullshit I've ever heard, th... | Hacker News

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		Kenji on Oct 13, 2019 \| parent \| context \| favorite \| on: My favorite Rust function > Also, zero-cost abstraction is likely the biggest bullshit I've ever heard, there is a lot of cost and there's also a lot of waiting for compiler if you're using cargo packages. Zero cost refers to runtime cost, not compilation cost. Zero cost abstraction is not bullshit.

cztomsik on Oct 13, 2019 [–]

Yes, I know, and all those crates trying to wrap unsafe C libs are really not free - I've tried.

Maybe just dig into some sources and see what macros are expanded to to see the overhead.

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