error: no rules expected the token `enum E { }` | |
--> $DIR/nonterminal-matching.rs:19:10 | |
| | |
LL | macro n(a $nt_item b) { | |
| --------------------- when calling this macro | |
... | |
LL | n!(a $nt_item b); | |
| ^^^^^^^^ no rules expected this token in macro call | |
... | |
LL | complex_nonterminal!(enum E {}); | |
| -------------------------------- in this macro invocation | |
error: aborting due to previous error | |