LL | fn foo<F:FnOnce()>(blk: F) {
| --- move occurs because `blk` has type `F`, which does not implement the `Copy` trait
LL | blk();
- | --- value moved here
+ | ----- `blk` moved due to this call
LL | blk();
| ^^^ value used here after move
|
+note: this value implements `FnOnce`, which causes it to be moved when called
+ --> $DIR/once-cant-call-twice-on-heap.rs:8:5
+ |
+LL | blk();
+ | ^^^
help: consider further restricting this bound
|
LL | fn foo<F:FnOnce() + Copy>(blk: F) {