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real-async-trait-rs

★ 46 Open GitHub ↗

A proc macro for real async traits, using nightly-only existential types and generic associated types to work around the need for type erasure

// repository documentation

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# `#[real_async_trait]`
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This nightly-only crate provides a proof-of-concept proc macro attribute that
allows async functions within traits, without the possible runtime overhead of
wrapping everything in a `Box` and erasing the types. This is made possible
thanks to the unstable `generic_associated_types` and `type_alias_impl_trait`
nightly features.

## License

Licensed under either of

* Apache License, Version 2.0
   ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
 * MIT license
   ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)

at your option.

## Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.

real-async-trait-rs

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