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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`.
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