8 let d = Dog { name: "Rusty".to_string(), age: 8 };
11 Dog { age: x } => {} //~ ERROR pattern does not mention field `name`
15 Dog { name: x, } => {} //~ ERROR pattern does not mention field `age`
18 // trailing comma with weird whitespace
19 Dog { name: x , } => {} //~ ERROR pattern does not mention field `age`
22 Dog {} => {} //~ ERROR pattern does not mention fields `name`, `age`