error: expected `,` --> $DIR/routes.rs:6:23 | 6 | let _ = routes![a b]; //~ ERROR expected `,` | ^ error: expected identifier --> $DIR/routes.rs:8:24 | 8 | let _ = routes![a::, ]; //~ ERROR expected identifier | ^ error: unexpected end of input, expected identifier --> $DIR/routes.rs:9:13 | 9 | let _ = routes![a::]; //~ ERROR expected identifier | ^^^^^^^^^^^^ | = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 3 previous errors