1 error[E0308]: mismatched types
2 --> $DIR/issue-87812-path.rs:3:24
4 LL | let _: usize = $f;
5 | ----- ^^ expected `usize`, found struct `Baz`
10 | --------- in this macro invocation
12 = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
14 error: aborting due to previous error
16 For more information about this error, try `rustc --explain E0308`.