| error: malformed `recursion_limit` attribute input | |
| --> $DIR/invalid_macro.rs:1:1 | |
| | | |
| LL | #![recursion_limit = foo!()] | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![recursion_limit = "N"]` | |
| | | |
| = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/limits.html#the-recursion_limit-attribute> | |
| error: aborting due to 1 previous error | |