36 lines
1.8 KiB
Text
36 lines
1.8 KiB
Text
error[E0271]: type mismatch resolving `<Foo<()> as FooLike>::Output == <T as impl_trait::Trait>::Assoc`
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--> $DIR/bound-normalization-fail.rs:25:32
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LL | fn foo_fail<T: Trait>() -> impl FooLike<Output = T::Assoc> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected associated type, found `()`
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= note: expected associated type `<T as impl_trait::Trait>::Assoc`
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found unit type `()`
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help: consider constraining the associated type `<T as impl_trait::Trait>::Assoc` to `()`
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LL | fn foo_fail<T: Trait<Assoc = ()>>() -> impl FooLike<Output = T::Assoc> {
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| ++++++++++++
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error[E0760]: `impl Trait` return type cannot contain a projection or `Self` that references lifetimes from a parent scope
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--> $DIR/bound-normalization-fail.rs:41:41
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LL | fn foo2_fail<'a, T: Trait<'a>>() -> impl FooLike<Output = T::Assoc> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0271]: type mismatch resolving `<Foo<()> as FooLike>::Output == <T as lifetimes::Trait<'static>>::Assoc`
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--> $DIR/bound-normalization-fail.rs:41:41
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LL | fn foo2_fail<'a, T: Trait<'a>>() -> impl FooLike<Output = T::Assoc> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected associated type, found `()`
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= note: expected associated type `<T as lifetimes::Trait<'static>>::Assoc`
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found unit type `()`
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help: consider constraining the associated type `<T as lifetimes::Trait<'static>>::Assoc` to `()`
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LL | fn foo2_fail<'a, T: Trait<'a, Assoc = ()>>() -> impl FooLike<Output = T::Assoc> {
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| ++++++++++++
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0271, E0760.
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For more information about an error, try `rustc --explain E0271`.
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