| error[E0277]: `F` cannot be shared between threads safely |
| --> $DIR/closure-bounds-subtype.rs:13:5 |
| | |
| LL | fn take_const_owned<F>(_: F) where F: FnOnce() + Sync + Send { |
| | ------------------------------------------------------------ required by `take_const_owned` |
| ... |
| LL | take_const_owned(f); |
| | ^^^^^^^^^^^^^^^^ `F` cannot be shared between threads safely |
| | |
| = help: the trait `std::marker::Sync` is not implemented for `F` |
| = help: consider adding a `where F: std::marker::Sync` bound |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
