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Re:Portable and Interoperable Async Rust by mseepgood on Wednesday December 08, 2021 @04:49AM (#29482828)
All design trade-offs have a cost. In this case the costs are reduced usability and async struggles.
Re:Portable and Interoperable Async Rust by carlmr on Wednesday December 08, 2021 @07:52AM (#29484109)
Zero-cost abstractions is used to mean zero runtime cost (in release builds), so if an abstraction would break that it wouldn't be suitable for this goal.

Like adding a GC for the async feature.