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error[E0391]: cycle detected when expanding type alias `Bar`
--> $DIR/issue-110629-private-type-cycle-dyn.rs:1:38
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LL | type Bar<'a, 'b> = Box<dyn PartialEq<Bar<'a, 'b>>>;
| ^^^^^^^^^^^
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= note: ...which immediately requires expanding type alias `Bar` again
= note: type aliases cannot be recursive
= help: consider using a struct, enum, or union instead to break the cycle
= help: see <https://doc.rust-lang.org/reference/types.html#recursive-types> for more information
note: cycle used when checking that `Bar` is well-formed
--> $DIR/issue-110629-private-type-cycle-dyn.rs:1:1
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LL | type Bar<'a, 'b> = Box<dyn PartialEq<Bar<'a, 'b>>>;
| ^^^^^^^^^^^^^^^^
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0391`.
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