| error[E0382]: use of moved value: `blk` |
| --> $DIR/once-cant-call-twice-on-heap.rs:8:5 |
| | |
| LL | fn foo<F:FnOnce()>(blk: F) { |
| | --- move occurs because `blk` has type `F`, which does not implement the `Copy` trait |
| LL | blk(); |
| | ----- `blk` moved due to this call |
| LL | blk(); |
| | ^^^ value used here after move |
| | |
| note: `FnOnce` closures can only be called once |
| --> $DIR/once-cant-call-twice-on-heap.rs:6:10 |
| | |
| LL | fn foo<F:FnOnce()>(blk: F) { |
| | ^^^^^^^^ `F` is made to be an `FnOnce` closure here |
| LL | blk(); |
| | ----- this value implements `FnOnce`, which causes it to be moved when called |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0382`. |
