Cargo Features
tokio-sync has no features set by default.
[dependencies]
tokio-sync = { version = "0.2.0-alpha.6", features = ["async-traits"] }- async-traits = futures-sink-preview
Features from optional dependencies
In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.