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error[E0277]: `F` cannot be shared between threads safely
--> $DIR/closure-bounds-subtype.rs:13:22
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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
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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
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LL | take_const_owned(f());
| ++
help: consider further restricting this bound
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LL | fn give_owned<F>(f: F) where F: FnOnce() + Send + std::marker::Sync {
| +++++++++++++++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
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