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|
warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
--> $DIR/drop_copy.rs:34:5
|
LL | drop(s1);
| ^^^^^--^
| |
| argument has type `SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
note: the lint level is defined here
--> $DIR/drop_copy.rs:3:9
|
LL | #![warn(drop_copy)]
| ^^^^^^^^^
warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
--> $DIR/drop_copy.rs:35:5
|
LL | drop(s2);
| ^^^^^--^
| |
| 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/drop_copy.rs:36:5
|
LL | drop(s3);
| ^^^^^--^
| |
| argument has type `&SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
= note: `#[warn(drop_ref)]` on by default
warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
--> $DIR/drop_copy.rs:37:5
|
LL | drop(s4);
| ^^^^^--^
| |
| 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/drop_copy.rs:38:5
|
LL | drop(s5);
| ^^^^^--^
| |
| 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/drop_copy.rs:50:5
|
LL | drop(a2);
| ^^^^^--^
| |
| argument has type `&AnotherStruct`
|
= 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/drop_copy.rs:52:5
|
LL | drop(a4);
| ^^^^^--^
| |
| argument has type `&AnotherStruct`
|
= note: use `let _ = ...` to ignore the expression or result
warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
--> $DIR/drop_copy.rs:71:13
|
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 value that implements `Copy` does nothing
--> $DIR/drop_copy.rs:74:14
|
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 value that implements `Copy` does nothing
--> $DIR/drop_copy.rs:76:14
|
LL | 4 => drop(2),
| ^^^^^-^
| |
| argument has type `i32`
|
= note: use `let _ = ...` to ignore the expression or result
warning: 10 warnings emitted
|
