rust/tests/ui/lint/dropping_copy_types.stderr

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warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
--> $DIR/dropping_copy_types.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/dropping_copy_types.rs:3:9
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LL | #![warn(dropping_copy_types)]
| ^^^^^^^^^^^^^^^^^^^
warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
--> $DIR/dropping_copy_types.rs:35:5
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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/dropping_copy_types.rs:36:5
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LL | drop(s3);
| ^^^^^--^
| |
| argument has type `&SomeStruct`
|
= note: use `let _ = ...` to ignore the expression or result
= note: `#[warn(dropping_references)]` on by default
warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
--> $DIR/dropping_copy_types.rs:37:5
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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/dropping_copy_types.rs:38:5
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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/dropping_copy_types.rs:50:5
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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/dropping_copy_types.rs:52:5
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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/dropping_copy_types.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/dropping_copy_types.rs:74:14
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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/dropping_copy_types.rs:76:14
|
LL | 4 => drop(2),
| ^^^^^-^
| |
| argument has type `i32`
|
= note: use `let _ = ...` to ignore the expression or result
warning: 10 warnings emitted