error[E0434]: can't capture dynamic environment in a fn item | |
--> $DIR/E0434.rs:4:9 | |
| | |
LL | y | |
| ^ | |
| | |
= help: use the `|| { ... }` closure form instead | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0434`. |