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29 lines
1020 B
Plaintext
29 lines
1020 B
Plaintext
$ cargo run
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Compiling cons-list v0.1.0 (file:///projects/cons-list)
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error[E0072]: recursive type `List` has infinite size
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--> src/main.rs:1:1
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1 | enum List {
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| ^^^^^^^^^
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2 | Cons(i32, List),
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| ---- recursive without indirection
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help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
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2 | Cons(i32, Box<List>),
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| ++++ +
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error[E0391]: cycle detected when computing when `List` needs drop
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--> src/main.rs:1:1
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1 | enum List {
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| ^^^^^^^^^
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= note: ...which immediately requires computing when `List` needs drop again
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= note: cycle used when computing whether `List` needs drop
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= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
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Some errors have detailed explanations: E0072, E0391.
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For more information about an error, try `rustc --explain E0072`.
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error: could not compile `cons-list` (bin "cons-list") due to 2 previous errors
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