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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: this value implements `FnOnce`, which causes it to be moved when called
--> $DIR/once-cant-call-twice-on-heap.rs:7:5
|
LL | blk();
| ^^^
help: consider further restricting this bound
|
LL | fn foo<F:FnOnce() + Copy>(blk: F) {
| ++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0382`.
|
