1error[E0434]: can't capture dynamic environment in a fn item
2  --> $DIR/capture1.rs:5:32
3   |
4LL |     fn foo() -> isize { return bar; }
5   |                                ^^^
6   |
7   = help: use the `|| { ... }` closure form instead
8
9error: aborting due to previous error
10
11For more information about this error, try `rustc --explain E0434`.
12