error: no rules expected the token `{` --> tests/ui/delimiter-span.rs:19:16 | 5 | macro_rules! picky { | ------------------ when calling this macro ... 19 | picky!({ 123, self }); | ^ no rules expected this token in macro call | = note: while trying to match sequence start error: no rules expected the token `{` --> tests/ui/delimiter-span.rs:20:16 | 5 | macro_rules! picky { | ------------------ when calling this macro ... 20 | picky!({ 123 }); | ^ no rules expected this token in macro call | = note: while trying to match sequence start