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error[E0107]: missing generics for associated type `SuperTrait::SubType`
--> $DIR/issue-76535.rs:39:33
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LL | let sub: Box<dyn SuperTrait<SubType = SubStruct>> = Box::new(SuperStruct::new(0));
| ^^^^^^^ expected 1 lifetime argument
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note: associated type defined here, with 1 lifetime parameter: `'a`
--> $DIR/issue-76535.rs:9:10
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LL | type SubType<'a>: SubTrait where Self: 'a;
| ^^^^^^^ --
help: add missing lifetime argument
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LL | let sub: Box<dyn SuperTrait<SubType<'a> = SubStruct>> = Box::new(SuperStruct::new(0));
| ++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0107`.
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