19 lines
472 B
Rust
19 lines
472 B
Rust
// run-pass
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// Example taken from RFC 1238 text
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// https://github.com/rust-lang/rfcs/blob/master/text/1238-nonparametric-dropck.md
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// #examples-of-code-that-must-continue-to-work
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use std::cell::Cell;
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struct Concrete<'a>(u32, Cell<Option<&'a Concrete<'a>>>);
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fn main() {
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let mut data = Vec::new();
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data.push(Concrete(0, Cell::new(None)));
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data.push(Concrete(0, Cell::new(None)));
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data[0].1.set(Some(&data[1]));
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data[1].1.set(Some(&data[0]));
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}
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