1error: no rules expected the token `~`
2 --> tests/ui/parse_expr.rs:4:19
3 |
44 | json!({ "a" : ~ });
5 | ^ no rules expected this token in macro call
6 |
7note: while trying to match meta-variable `$e:expr`
8 --> src/macros.rs
9 |
10 | ($e:expr , $($tt:tt)*) => {};
11 | ^^^^^^^
12