2 Foo { a: usize, b: usize },
7 let x = Enum::Foo(a: 3, b: 4);
8 //~^ ERROR invalid `struct` delimiters or `fn` call arguments
11 //~^ ERROR expected tuple struct or tuple variant, found struct variant `Enum::Foo`
12 Enum::Bar { a, b } => {}
13 //~^ ERROR tuple variant `Enum::Bar` written as struct variant