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Async zero-cost claim #218

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turalcar opened this issue May 22, 2024 · 0 comments
Open

Async zero-cost claim #218

turalcar opened this issue May 22, 2024 · 0 comments

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@turalcar
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async-book/src/01_getting_started/02_why_async.md

Line 52 in ed022fc

- **Async is zero-cost** in Rust, which means that you only pay for what you use.

That is false. RawWaker very explicitly requires a dynamic dispatch, i. e. it's not zero-cost compared to, say, mio crate.
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@turalcar