rust-book-cn/listings/ch15-smart-pointers/listing-15-17/output.txt

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2021-05-09 14:49:31 +08:00
$ cargo run
Compiling cons-list v0.1.0 (file:///projects/cons-list)
error[E0382]: use of moved value: `a`
--> src/main.rs:11:30
|
9 | let a = Cons(5, Box::new(Cons(10, Box::new(Nil))));
| - move occurs because `a` has type `List`, which does not implement the `Copy` trait
10 | let b = Cons(3, Box::new(a));
| - value moved here
11 | let c = Cons(4, Box::new(a));
| ^ value used here after move
error: aborting due to previous error
For more information about this error, try `rustc --explain E0382`.
error: could not compile `cons-list`
To learn more, run the command again with --verbose.