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error[E0053]: method `values` has an incompatible type for trait
--> $DIR/mismatched-map-under-self.rs:10:15
|
LL | fn values(self) -> Self::Values {
| ^^^^
| |
| expected `&Option<T>`, found `Option<T>`
| help: change the self-receiver type to match the trait: `&self`
|
note: type in trait
--> $DIR/mismatched-map-under-self.rs:4:15
|
LL | fn values(&self) -> Self::Values;
| ^^^^^
= note: expected signature `fn(&Option<_>)`
found signature `fn(Option<_>)`
error[E0631]: type mismatch in function arguments
--> $DIR/mismatched-map-under-self.rs:12:18
|
LL | fn values(&self) -> Self::Values;
| --------------------------------- found signature defined here
...
LL | self.map(Insertable::values).unwrap_or_default()
| --- ^^^^^^^^^^^^^^^^^^ expected due to this
| |
| required by a bound introduced by this call
|
= note: expected function signature `fn(T) -> _`
found function signature `for<'a> fn(&'a _) -> _`
note: required by a bound in `Option::<T>::map`
--> $SRC_DIR/core/src/option.rs:LL:COL
help: consider wrapping the function in a closure
|
LL | self.map(|arg0: T| Insertable::values(&arg0)).unwrap_or_default()
| +++++++++ +++++++
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0053, E0631.
For more information about an error, try `rustc --explain E0053`.
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