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12 lines
427 B
12 lines
427 B
3 years ago
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$ cargo run
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Compiling cons-list v0.1.0 (file:///projects/cons-list)
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Finished dev [unoptimized + debuginfo] target(s) in 0.53s
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Running `target/debug/cons-list`
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a initial rc count = 1
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a next item = Some(RefCell { value: Nil })
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a rc count after b creation = 2
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b initial rc count = 1
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b next item = Some(RefCell { value: Cons(5, RefCell { value: Nil }) })
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b rc count after changing a = 2
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a rc count after changing a = 2
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