Cargo Features

[dependencies]
structdoc = { version = "0.1.4", default-features = false, features = ["structdoc-derive"] }
default = structdoc-derive

The structdoc-derive feature is set by default whenever structdoc is added without default-features = false somewhere in the dependency tree.

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](https://rust-lang.github.io/rfcs/3491-remove-implicit-features.html).

structdoc-derive default