| error[E0434]: can't capture dynamic environment in a fn item | |
| --> $DIR/capture1.rs:5:32 | |
| | | |
| LL | fn foo() -> isize { return bar; } | |
| | ^^^ | |
| | | |
| = help: use the `|| { ... }` closure form instead | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0434`. |