Cargo Features
rumqttc-async-std has no features set by default.
[dependencies]
rumqttc-async-std = { version = "0.5.0", features = ["websocket"] }- websocket = async-tungstenite, ws_stream_tungstenite
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.