error: no rules expected the token `a` | |
--> $DIR/macro-non-lifetime.rs:8:8 | |
| | |
LL | macro_rules! m { ($x:lifetime) => { } } | |
| -------------- when calling this macro | |
... | |
LL | m!(a); | |
| ^ no rules expected this token in macro call | |
error: aborting due to previous error | |