tests/headers/enum.h - external/github.com/rust-lang/rust-bindgen - Git at Google

 // bindgen-flags: --rustified-enum ".*"

 enum Foo {
     Bar = 0,
     Qux
 };

 enum Neg {
     MinusOne = -1,
     One = 1,
 };
	// bindgen-flags: --rustified-enum ".*"

	enum Foo {
	Bar = 0,
	Qux
	};

	enum Neg {
	MinusOne = -1,
	One = 1,
	};