Python extras are pretty much equivalent to cargo "features": https://doc.rust-lang.org/cargo/reference/manifest.html#the-features-section https://doc.rust-lang

Python extras are pretty much equivalent to cargo "features": https://doc.rust-lang.org/cargo/reference/manifest.html#the-features-section https://doc.rust-lang.org/cargo/reference/manifest.html#the-... The article mentions a few places that use cargo "features" for exactly that sort of thing.