| error[E0277]: `F` cannot be shared between threads safely |
| --> $DIR/closure-bounds-subtype.rs:13:22 |
| | |
| LL | take_const_owned(f); |
| | ---------------- ^ `F` cannot be shared between threads safely |
| | | |
| | required by a bound introduced by this call |
| | |
| note: required by a bound in `take_const_owned` |
| --> $DIR/closure-bounds-subtype.rs:4:50 |
| | |
| LL | fn take_const_owned<F>(_: F) where F: FnOnce() + Sync + Send { |
| | ^^^^ required by this bound in `take_const_owned` |
| help: use parentheses to call this type parameter |
| | |
| LL | take_const_owned(f()); |
| | ++ |
| help: consider further restricting type parameter `F` with trait `Sync` |
| | |
| LL | fn give_owned<F>(f: F) where F: FnOnce() + Send + std::marker::Sync { |
| | +++++++++++++++++++ |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
