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All Projects → 4lDO2 → real-async-trait-rs

4lDO2 / real-async-trait-rs

Licence: Apache-2.0, MIT licenses found Licenses found Apache-2.0 LICENSE-APACHE MIT LICENSE-MIT
A proc macro for real async traits, using nightly-only existential types and generic associated types to work around the need for type erasure

Programming Languages

rust
11053 projects

Labels

hktproc-macroexistential-typeshigher-kinded-typesproc-macro-attributesasync-traitgeneric-associated-types

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#[real_async_trait]

Build Status Crates.io Documentation

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

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