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struct Node_ {
a: Box<Cycle>
}
enum Cycle {
Node(Node_),
Empty,
}
fn main() {
let mut x: Box<_> = Box::new(Cycle::Node(Node_ {a: Box::new(Cycle::Empty)}));
// Create a cycle!
match *x {
Cycle::Node(ref mut y) => {
y.a = x; //~ ERROR cannot move out of
}
Cycle::Empty => {}
};
}
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