mirror of https://github.com/rust-lang/rust
74 lines
1.6 KiB
Plaintext
74 lines
1.6 KiB
Plaintext
error: unused borrow that must be used
|
|
--> $DIR/unused-borrows.rs:6:5
|
|
|
|
|
LL | &42;
|
|
| ^^^ the borrow produces a value
|
|
|
|
|
note: the lint level is defined here
|
|
--> $DIR/unused-borrows.rs:1:9
|
|
|
|
|
LL | #![deny(unused_must_use)]
|
|
| ^^^^^^^^^^^^^^^
|
|
help: use `let _ = ...` to ignore the resulting value
|
|
|
|
|
LL | let _ = &42;
|
|
| +++++++
|
|
|
|
error: unused borrow that must be used
|
|
--> $DIR/unused-borrows.rs:9:5
|
|
|
|
|
LL | &mut foo(42);
|
|
| ^^^^^^^^^^^^ the borrow produces a value
|
|
|
|
|
help: use `let _ = ...` to ignore the resulting value
|
|
|
|
|
LL | let _ = &mut foo(42);
|
|
| +++++++
|
|
|
|
error: unused borrow that must be used
|
|
--> $DIR/unused-borrows.rs:12:5
|
|
|
|
|
LL | &&42;
|
|
| ^^^^ the borrow produces a value
|
|
|
|
|
help: use `let _ = ...` to ignore the resulting value
|
|
|
|
|
LL | let _ = &&42;
|
|
| +++++++
|
|
|
|
error: unused borrow that must be used
|
|
--> $DIR/unused-borrows.rs:15:5
|
|
|
|
|
LL | &&mut 42;
|
|
| ^^^^^^^^ the borrow produces a value
|
|
|
|
|
help: use `let _ = ...` to ignore the resulting value
|
|
|
|
|
LL | let _ = &&mut 42;
|
|
| +++++++
|
|
|
|
error: unused borrow that must be used
|
|
--> $DIR/unused-borrows.rs:18:5
|
|
|
|
|
LL | &mut &42;
|
|
| ^^^^^^^^ the borrow produces a value
|
|
|
|
|
help: use `let _ = ...` to ignore the resulting value
|
|
|
|
|
LL | let _ = &mut &42;
|
|
| +++++++
|
|
|
|
error: unused borrow that must be used
|
|
--> $DIR/unused-borrows.rs:23:5
|
|
|
|
|
LL | && foo(42);
|
|
| ^^^^^^^^^^ the borrow produces a value
|
|
|
|
|
help: use `let _ = ...` to ignore the resulting value
|
|
|
|
|
LL | let _ = && foo(42);
|
|
| +++++++
|
|
|
|
error: aborting due to 6 previous errors
|
|
|