Cargo Features
tcpserver has no features set by default.
[dependencies]
tcpserver = { version = "2.0.0", features = ["tls"] }- tls = openssl, openssl-sys, tokio-openssl
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.