// aux-build:attr-from-macro.rs // run-pass extern crate attr_from_macro; attr_from_macro::creator! { struct Foo; enum Bar; enum FooBar; } fn main() { // Checking the `repr(u32)` on the enum. assert_eq!(4, std::mem::size_of::()); // Checking the `repr(u16)` on the enum. assert_eq!(2, std::mem::size_of::()); // Checking the Debug impl on the types. eprintln!("{:?} {:?} {:?}", Foo, Bar::A, FooBar::A); }