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