21 lines
346 B
Rust
21 lines
346 B
Rust
#![feature(box_syntax)]
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struct Node_ {
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a: Box<Cycle>
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}
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enum Cycle {
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Node(Node_),
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Empty,
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}
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fn main() {
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let mut x: Box<_> = box Cycle::Node(Node_ {a: box Cycle::Empty});
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// Create a cycle!
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match *x {
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Cycle::Node(ref mut y) => {
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y.a = x; //~ ERROR cannot move out of
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}
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Cycle::Empty => {}
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};
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}
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