Cargo Features

Arbitrary has no features set by default.

[dependencies]
arbitrary = { version = "1.3.2", features = ["derive"] }
derive = derive_arbitrary

Turn this feature on to enable support for #[derive(Arbitrary)].

Affects arbitrary::CompileFailTests

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features.

derive_arbitrary derive?