rust/tests/ui/infinite/infinite-trait-alias-recursion.stderr

28 lines
1.0 KiB
Plaintext

error[E0391]: cycle detected when computing the super predicates of `T1`. see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information.
--> $DIR/infinite-trait-alias-recursion.rs:3:12
|
LL | trait T1 = T2;
| ^^
|
note: ...which requires computing the super predicates of `T2`...
--> $DIR/infinite-trait-alias-recursion.rs:6:12
|
LL | trait T2 = T3;
| ^^
note: ...which requires computing the super predicates of `T3`...
--> $DIR/infinite-trait-alias-recursion.rs:8:12
|
LL | trait T3 = T1 + T3;
| ^^
= note: ...which again requires computing the super predicates of `T1`, completing the cycle
= note: trait aliases cannot be recursive
note: cycle used when collecting item types in top-level module
--> $DIR/infinite-trait-alias-recursion.rs:3:1
|
LL | trait T1 = T2;
| ^^^^^^^^^^^^^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0391`.