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|
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:8:5
|
LL | drop(&SomeStruct);
| ^^^^^-----------^
| |
| argument has type `&SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
note: the lint level is defined here
--> $DIR/dropping_references.rs:3:9
|
LL | #![warn(dropping_references)]
| ^^^^^^^^^^^^^^^^^^^
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:11:5
|
LL | drop(&owned1);
| ^^^^^-------^
| |
| argument has type `&SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:12:5
|
LL | drop(&&owned1);
| ^^^^^--------^
| |
| argument has type `&&SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:13:5
|
LL | drop(&mut owned1);
| ^^^^^-----------^
| |
| argument has type `&mut SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:17:5
|
LL | drop(reference1);
| ^^^^^----------^
| |
| argument has type `&SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:20:5
|
LL | drop(reference2);
| ^^^^^----------^
| |
| argument has type `&mut SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:23:5
|
LL | drop(reference3);
| ^^^^^----------^
| |
| argument has type `&SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:28:5
|
LL | drop(&val);
| ^^^^^----^
| |
| argument has type `&T`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:36:5
|
LL | std::mem::drop(&SomeStruct);
| ^^^^^^^^^^^^^^^-----------^
| |
| argument has type `&SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:91:13
|
LL | drop(println_and(&13));
| ^^^^^----------------^
| |
| argument has type `&i32`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:94:14
|
LL | 3 if drop(println_and(&14)) == () => (),
| ^^^^^----------------^
| |
| argument has type `&i32`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
--> $DIR/dropping_references.rs:96:14
|
LL | 4 => drop(&2),
| ^^^^^--^
| |
| argument has type `&i32`
|
= note: use `let _ = ...` to ignore the expression or result
warning: 12 warnings emitted
|
