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|
error: a dangling pointer will be produced because the temporary `String` will be dropped
--> $DIR/temporaries.rs:21:14
|
LL | string().as_ptr();
| -------- ^^^^^^ this pointer will immediately be invalid
| |
| this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
|
= 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
= help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
= help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
note: the lint level is defined here
--> $DIR/temporaries.rs:2:9
|
LL | #![deny(dangling_pointers_from_temporaries)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: a dangling pointer will be produced because the temporary `String` will be dropped
--> $DIR/temporaries.rs:25:25
|
LL | "hello".to_string().as_ptr();
| ------------------- ^^^^^^ this pointer will immediately be invalid
| |
| this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
|
= 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
= help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
= help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
error: a dangling pointer will be produced because the temporary `String` will be dropped
--> $DIR/temporaries.rs:32:26
|
LL | (string() + "hello").as_ptr();
| -------------------- ^^^^^^ this pointer will immediately be invalid
| |
| this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
|
= 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
= help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
= help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
error: a dangling pointer will be produced because the temporary `String` will be dropped
--> $DIR/temporaries.rs:68:61
|
LL | (if true { String::new() } else { "hello".into() }).as_ptr();
| --------------------------------------------------- ^^^^^^ this pointer will immediately be invalid
| |
| this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
|
= 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
= help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
= help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
error: a dangling pointer will be produced because the temporary `String` will be dropped
--> $DIR/temporaries.rs:77:10
|
LL | / (loop {
LL | | break String::new();
LL | | })
| |__________- this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
LL | .as_ptr();
| ^^^^^^ this pointer will immediately be invalid
|
= 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
= help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
= help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
error: a dangling pointer will be produced because the temporary `String` will be dropped
--> $DIR/temporaries.rs:86:10
|
LL | / match string() {
LL | | s => s,
LL | | }
| |_________- this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
LL | .as_ptr();
| ^^^^^^ this pointer will immediately be invalid
|
= 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
= help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
= help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
error: a dangling pointer will be produced because the temporary `String` will be dropped
--> $DIR/temporaries.rs:94:18
|
LL | { string() }.as_ptr();
| ------------ ^^^^^^ this pointer will immediately be invalid
| |
| this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
|
= 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
= help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
= help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
error: a dangling pointer will be produced because the temporary `Vec<u8>` will be dropped
--> $DIR/temporaries.rs:134:15
|
LL | vec![0u8].as_ptr();
| --------- ^^^^^^ this pointer will immediately be invalid
| |
| this `Vec<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
|
= note: pointers do not have a lifetime; when calling `as_ptr` the `Vec<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
= help: you must make sure that the variable you bind the `Vec<u8>` to lives at least as long as the pointer returned by the call to `as_ptr`
= help: in particular, if this pointer is returned from the current function, binding the `Vec<u8>` inside the function will not suffice
= help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
error: aborting due to 8 previous errors
|
