| error: no rules expected reserved identifier `_` | |
| --> $DIR/underscore-ident-matcher.rs:8:19 | |
| | | |
| LL | macro_rules! identity { | |
| | --------------------- when calling this macro | |
| ... | |
| LL | let identity!(_) = 10; | |
| | ^ no rules expected this token in macro call | |
| | | |
| note: while trying to match meta-variable `$i:ident` | |
| --> $DIR/underscore-ident-matcher.rs:2:6 | |
| | | |
| LL | ($i: ident) => ( | |
| | ^^^^^^^^^ | |
| error: aborting due to 1 previous error | |