trpl-zh-cn/listings/ch15-smart-pointers/listing-15-09/output.txt

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$ cargo run
Compiling deref-example v0.1.0 (file:///projects/deref-example)
error[E0614]: type `MyBox<{integer}>` cannot be dereferenced
--> src/main.rs:14:19
|
14 | assert_eq!(5, *y);
| ^^
For more information about this error, try `rustc --explain E0614`.
error: could not compile `deref-example` (bin "deref-example") due to 1 previous error