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|
error[E0308]: mismatched types
--> $DIR/deref-multi.rs:2:5
|
LL | fn a(x: &&i32) -> i32 {
| --- expected `i32` because of return type
LL | x
| ^ expected `i32`, found `&&i32`
|
help: consider dereferencing the borrow
|
LL | **x
| ++
error[E0308]: mismatched types
--> $DIR/deref-multi.rs:7:5
|
LL | fn a2(x: &&&&&i32) -> i32 {
| --- expected `i32` because of return type
LL | x
| ^ expected `i32`, found `&&&&&i32`
|
help: consider dereferencing the borrow
|
LL | *****x
| +++++
error[E0308]: mismatched types
--> $DIR/deref-multi.rs:12:5
|
LL | fn b(x: &i32) -> i32 {
| --- expected `i32` because of return type
LL | &x
| ^^ expected `i32`, found `&&i32`
|
help: consider removing the `&` and dereferencing the borrow instead
|
LL | *x
| ~
error[E0308]: mismatched types
--> $DIR/deref-multi.rs:17:5
|
LL | fn c(x: Box<i32>) -> i32 {
| --- expected `i32` because of return type
LL | &x
| ^^ expected `i32`, found `&Box<i32>`
|
= note: expected type `i32`
found reference `&Box<i32>`
help: consider removing the `&` and dereferencing the borrow instead
|
LL | *x
| ~
error[E0308]: mismatched types
--> $DIR/deref-multi.rs:22:5
|
LL | fn d(x: std::sync::Mutex<&i32>) -> i32 {
| --- expected `i32` because of return type
LL | x.lock().unwrap()
| ^^^^^^^^^^^^^^^^^ expected `i32`, found struct `MutexGuard`
|
= note: expected type `i32`
found struct `MutexGuard<'_, &i32>`
help: consider dereferencing the type
|
LL | **x.lock().unwrap()
| ++
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0308`.
|
