35 lines
1.7 KiB
Plaintext
35 lines
1.7 KiB
Plaintext
error: a dangling pointer will be produced because the temporary `String` will be dropped
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--> $DIR/allow.rs:9:28
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LL | dbg!(String::new().as_ptr());
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| ------------- ^^^^^^ this pointer will immediately be invalid
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| this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
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= note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
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= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
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note: the lint level is defined here
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--> $DIR/allow.rs:7:12
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LL | #[deny(dangling_pointers_from_temporaries)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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warning: a dangling pointer will be produced because the temporary `String` will be dropped
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--> $DIR/allow.rs:20:28
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LL | dbg!(String::new().as_ptr());
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| ------------- ^^^^^^ this pointer will immediately be invalid
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| |
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| this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
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= note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
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= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
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note: the lint level is defined here
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--> $DIR/allow.rs:18:12
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LL | #[warn(dangling_pointers_from_temporaries)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 1 previous error; 1 warning emitted
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