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// run-pass
trait Foo {
extern fn borrow(&self);
extern fn take(self: Box<Self>);
}
struct Bar;
impl Foo for Bar {
#[allow(improper_ctypes_definitions)]
extern fn borrow(&self) {}
#[allow(improper_ctypes_definitions)]
extern fn take(self: Box<Self>) {}
}
fn main() {
let foo: Box<dyn Foo> = Box::new(Bar);
foo.borrow();
foo.take()
}
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