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error[E0038]: the trait `Map` cannot be made into an object
--> $DIR/issue-26056.rs:20:13
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LL | as &dyn Map<Key=u32,MapValue=u32>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Map` cannot be made into an object
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note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $DIR/issue-26056.rs:9:12
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LL | trait Map: MapLookup<<Self as Map>::Key> {
| --- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...because it uses `Self` as a type parameter
| |
| this trait cannot be made into an object...
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0038`.
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