mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 02:33:55 +00:00
50 lines
2.3 KiB
Plaintext
50 lines
2.3 KiB
Plaintext
error[E0716]: temporary value dropped while borrowed
|
|
--> $DIR/static-reference-to-fn-2.rs:18:22
|
|
|
|
|
LL | fn state1(self_: &mut StateMachineIter) -> Option<&'static str> {
|
|
| ----- has type `&mut StateMachineIter<'1>`
|
|
LL | self_.statefn = &id(state2 as StateMachineFunc);
|
|
| -----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- temporary value is freed at the end of this statement
|
|
| | |
|
|
| | creates a temporary value which is freed while still in use
|
|
| assignment requires that borrow lasts for `'1`
|
|
|
|
error[E0716]: temporary value dropped while borrowed
|
|
--> $DIR/static-reference-to-fn-2.rs:24:22
|
|
|
|
|
LL | fn state2(self_: &mut StateMachineIter) -> Option<(&'static str)> {
|
|
| ----- has type `&mut StateMachineIter<'1>`
|
|
LL | self_.statefn = &id(state3 as StateMachineFunc);
|
|
| -----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- temporary value is freed at the end of this statement
|
|
| | |
|
|
| | creates a temporary value which is freed while still in use
|
|
| assignment requires that borrow lasts for `'1`
|
|
|
|
error[E0716]: temporary value dropped while borrowed
|
|
--> $DIR/static-reference-to-fn-2.rs:30:22
|
|
|
|
|
LL | fn state3(self_: &mut StateMachineIter) -> Option<(&'static str)> {
|
|
| ----- has type `&mut StateMachineIter<'1>`
|
|
LL | self_.statefn = &id(finished as StateMachineFunc);
|
|
| -----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- temporary value is freed at the end of this statement
|
|
| | |
|
|
| | creates a temporary value which is freed while still in use
|
|
| assignment requires that borrow lasts for `'1`
|
|
|
|
error[E0515]: cannot return value referencing temporary value
|
|
--> $DIR/static-reference-to-fn-2.rs:40:5
|
|
|
|
|
LL | / StateMachineIter {
|
|
LL | |
|
|
LL | | statefn: &id(state1 as StateMachineFunc)
|
|
| | ------------------------------ temporary value created here
|
|
LL | | }
|
|
| |_____^ returns a value referencing data owned by the current function
|
|
|
|
|
= help: use `.collect()` to allocate the iterator
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
Some errors have detailed explanations: E0515, E0716.
|
|
For more information about an error, try `rustc --explain E0515`.
|