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error[E0658]: associated type bounds are unstable
--> $DIR/missing-assoc-fn.rs:9:22
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LL | fn bat<T: TraitB<Item: Copy>>(_: T) -> Self;
| ^^^^^^^^^^
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= note: see issue #52662 <https://github.com/rust-lang/rust/issues/52662> for more information
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0046]: not all trait items implemented, missing: `foo`, `bar`, `baz`, `bat`
--> $DIR/missing-assoc-fn.rs:14:1
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LL | fn foo<T: TraitB<Item = A>>(_: T) -> Self;
| ------------------------------------------ `foo` from trait
LL | fn bar<T>(_: T) -> Self;
| ------------------------ `bar` from trait
LL | fn baz<T>(_: T) -> Self where T: TraitB, <T as TraitB>::Item: Copy;
| ------------------------------------------------------------------- `baz` from trait
LL | fn bat<T: TraitB<Item: Copy>>(_: T) -> Self;
| -------------------------------------------- `bat` from trait
...
LL | impl TraitA<()> for S {
| ^^^^^^^^^^^^^^^^^^^^^ missing `foo`, `bar`, `baz`, `bat` in implementation
error[E0046]: not all trait items implemented, missing: `from_iter`
--> $DIR/missing-assoc-fn.rs:19:1
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LL | impl FromIterator<()> for X {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `from_iter` in implementation
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= help: implement the missing item: `fn from_iter<T: IntoIterator<Item = ()>>(_: T) -> Self { todo!() }`
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0046, E0658.
For more information about an error, try `rustc --explain E0046`.
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