error: no rules expected `)`
--> tests/ui/missing_argument.rs:5:24
|
5 | let _ = eml!((eml x));
| ^ no rules expected this token in macro call
|
note: while trying to match meta-variable `$y:tt`
--> src/core.rs
|
| ([(eml $x:tt $y:tt)], [$($cb:tt)*]) => { $crate::__eml_walk!([$x], [cb_eml_x $y $($cb)*]) };
| ^^^^^