| #![feature(concat_idents)] |
| |
| pub fn main() { |
| struct Foo; |
| let _: concat_idents!(F, oo) = Foo; // Test that `concat_idents!` can be used in type positions |
| |
| let asdf_fdsa = "<.<".to_string(); |
| // this now fails (correctly, I claim) because hygiene prevents |
| // the assembled identifier from being a reference to the binding. |
| assert!(concat_idents!(asd, f_f, dsa) == "<.<".to_string()); |
| //~^ ERROR cannot find value `asdf_fdsa` in this scope |
| |
| assert_eq!(stringify!(use_mention_distinction), "use_mention_distinction"); |
| } |
