| error[E0596]: cannot borrow `foo` as mutable, as it is not declared as mutable |
| --> $DIR/span-covering-argument-1.rs:5:14 |
| | |
| LL | let $s = 0; |
| | -- help: consider changing this to be mutable: `mut foo` |
| LL | *&mut $s = 0; |
| | ^^^^^^^ cannot borrow as mutable |
| ... |
| LL | bad!(foo whatever); |
| | ------------------ in this macro invocation |
| | |
| = note: this error originates in the macro `bad` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0596`. |
