| error[E0596]: cannot borrow value as mutable, as it is not declared as mutable |
| --> $DIR/borrowck-error-in-macro.rs:8:1 |
| | |
| LL | a::ice! {} |
| | ^^^^^^^^^^ |
| | | |
| | cannot borrow as mutable |
| | a call in this macro requires a mutable binding due to mutable borrow of `d` |
| | |
| = note: this error originates in the macro `a::ice` (in Nightly builds, run with -Z macro-backtrace for more info) |
| help: consider changing this to be mutable |
| --> $DIR/auxiliary/borrowck-error-in-macro.rs:7:17 |
| | |
| LL | let mut c = || *d += 1; |
| | +++ |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0596`. |
