37 lines
1.4 KiB
Plaintext
37 lines
1.4 KiB
Plaintext
error[E0046]: not all trait items implemented, missing: `call`
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--> $DIR/location-insensitive-scopes-issue-116657.rs:18:1
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LL | fn call(x: Self) -> Self::Output;
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| --------------------------------- `call` from trait
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...
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LL | impl<T: PlusOne> Callable for T {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `call` in implementation
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error: unconstrained opaque type
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--> $DIR/location-insensitive-scopes-issue-116657.rs:22:19
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LL | type Output = impl PlusOne;
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| ^^^^^^^^^^^^
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= note: `Output` must be used in combination with a concrete type within the same impl
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error[E0700]: hidden type for `impl PlusOne` captures lifetime that does not appear in bounds
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--> $DIR/location-insensitive-scopes-issue-116657.rs:28:5
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LL | fn test<'a>(y: &'a mut i32) -> impl PlusOne {
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| -- ------------ opaque type defined here
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| |
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| hidden type `<&'a mut i32 as Callable>::Output` captures the lifetime `'a` as defined here
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LL | <&mut i32 as Callable>::call(y)
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: to declare that `impl PlusOne` captures `'a`, you can add an explicit `'a` lifetime bound
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LL | fn test<'a>(y: &'a mut i32) -> impl PlusOne + 'a {
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| ++++
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0046, E0700.
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For more information about an error, try `rustc --explain E0046`.
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