Cargo Features

extfg-sigma has no features set by default.

[dependencies]
extfg-sigma = { version = "0.3.6", features = ["codec"] }
codec = tokio-util

Affects extfg-sigma::codec

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.

tokio-util codec?