Cargo Features

lens-rs_generator has no features set by default.

[dependencies]
lens-rs_generator = { version = "0.1.2", features = ["structx"] }
structx = quote

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.

quote build structx?