Rust *never* implicitly allocates, even with async/await. I have written Rust pr... | Hacker News

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		steveklabnik on March 10, 2021 \| parent \| context \| favorite \| on: Why asynchronous Rust doesn't work Rust never implicitly allocates, even with async/await. I have written Rust programs on a microcontroller with no heap, using async/await for it.

mratsim on March 10, 2021 [–]

I don't think I've implied that allocation in Rust was implicit but that's a fair point.

steveklabnik on March 10, 2021 | [–]

You said

> Rust will allocate once for the whole series

which, it will not.

It is true that some executors will do a single allocation for the whole series, but that is not done by Rust, nor is required. That's all!

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