rust/tests/ui/closures/closure-bounds-subtype.rs

17 lines
341 B
Rust

fn take_any<F>(_: F) where F: FnOnce() {
}
fn take_const_owned<F>(_: F) where F: FnOnce() + Sync + Send {
}
fn give_any<F>(f: F) where F: FnOnce() {
take_any(f);
}
fn give_owned<F>(f: F) where F: FnOnce() + Send {
take_any(f);
take_const_owned(f); //~ ERROR `F` cannot be shared between threads safely [E0277]
}
fn main() {}