3 #![feature(concat_idents)]
7 let _: concat_idents!(F, oo) = Foo; // Test that `concat_idents!` can be used in type positions
9 let asdf_fdsa = "<.<".to_string();
10 // concat_idents should have call-site hygiene.
11 assert!(concat_idents!(asd, f_f, dsa) == "<.<".to_string());
13 assert_eq!(stringify!(use_mention_distinction), "use_mention_distinction");