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According to the requirement of supporting different use cases, actors should be implemented as compile-time features (at least) or as pluggable extensions (point to discuss and future research).
Decisions
Alternatives
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https://github.com/jonhoo/bus
Simple implementation of a lock-free, bounded, single-producer, multi-consumer, broadcast channel
https://github.com/actix/actix
Popular actor framework for Rust
https://video.ethz.ch/events/2017/rust/e2d74a7b-7cfd-4bd3-8ce5-23c99ad775e2.html
Type-safe & high-perf distributed actor systems with Rust by Eickhoff, Anselm