33 lines
1.3 KiB
Plaintext
33 lines
1.3 KiB
Plaintext
error[E0391]: cycle detected when computing type of `Foo::T`
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--> $DIR/issue-34373.rs:7:30
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LL | pub struct Foo<T = Box<Trait<DefaultFoo>>>;
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| ^^^^^^^^^^
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note: ...which requires expanding type alias `DefaultFoo`...
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--> $DIR/issue-34373.rs:9:19
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LL | type DefaultFoo = Foo;
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| ^^^
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= note: ...which again requires computing type of `Foo::T`, completing the cycle
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note: cycle used when checking that `Foo` is well-formed
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--> $DIR/issue-34373.rs:7:1
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LL | pub struct Foo<T = Box<Trait<DefaultFoo>>>;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= 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
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error[E0392]: type parameter `T` is never used
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--> $DIR/issue-34373.rs:7:16
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LL | pub struct Foo<T = Box<Trait<DefaultFoo>>>;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ unused type parameter
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= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
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= help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0391, E0392.
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For more information about an error, try `rustc --explain E0391`.
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