33 lines
1.2 KiB
Plaintext
33 lines
1.2 KiB
Plaintext
error[E0391]: cycle detected when computing type of `Foo::T`. 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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--> $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: 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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--> $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:8:19
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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 collecting item types in top-level module
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--> $DIR/issue-34373.rs:1:1
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LL | / #![allow(warnings)]
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LL | |
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LL | | trait Trait<T> {
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LL | | fn foo(_: T) {}
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... |
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LL | | fn main() {
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LL | | }
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| |_^
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0391`.
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