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error[E0283]: type annotations needed: cannot satisfy `Bar: Send`
--> $DIR/in-where-clause.rs:13:9
|
LL | [0; 1 + 2]
| ^^^^^
|
= note: cannot satisfy `Bar: Send`
note: required by a bound in `foo`
--> $DIR/in-where-clause.rs:11:10
|
LL | fn foo() -> Bar
| --- required by a bound in this function
LL | where
LL | Bar: Send,
| ^^^^ required by this bound in `foo`
error[E0391]: cycle detected when computing type of opaque `Bar::{opaque#0}`
--> $DIR/in-where-clause.rs:5:12
|
LL | type Bar = impl Sized;
| ^^^^^^^^^^
|
note: ...which requires borrow-checking `foo`...
--> $DIR/in-where-clause.rs:9:1
|
LL | / fn foo() -> Bar
LL | | where
LL | | Bar: Send,
| |______________^
note: ...which requires promoting constants in MIR for `foo`...
--> $DIR/in-where-clause.rs:9:1
|
LL | / fn foo() -> Bar
LL | | where
LL | | Bar: Send,
| |______________^
note: ...which requires checking if `foo` contains FFI-unwind calls...
--> $DIR/in-where-clause.rs:9:1
|
LL | / fn foo() -> Bar
LL | | where
LL | | Bar: Send,
| |______________^
note: ...which requires building MIR for `foo`...
--> $DIR/in-where-clause.rs:9:1
|
LL | / fn foo() -> Bar
LL | | where
LL | | Bar: Send,
| |______________^
note: ...which requires match-checking `foo`...
--> $DIR/in-where-clause.rs:9:1
|
LL | / fn foo() -> Bar
LL | | where
LL | | Bar: Send,
| |______________^
note: ...which requires type-checking `foo`...
--> $DIR/in-where-clause.rs:9:1
|
LL | / fn foo() -> Bar
LL | | where
LL | | Bar: Send,
| |______________^
note: ...which requires computing revealed normalized predicates of `foo::{constant#0}`...
--> $DIR/in-where-clause.rs:13:9
|
LL | [0; 1 + 2]
| ^^^^^
= note: ...which requires revealing opaque types in `[Binder { value: TraitPredicate(<Bar as core::marker::Send>, polarity:Positive), bound_vars: [] }]`...
note: ...which requires computing type of `Bar::{opaque#0}`...
--> $DIR/in-where-clause.rs:5:12
|
LL | type Bar = impl Sized;
| ^^^^^^^^^^
= note: ...which again requires computing type of opaque `Bar::{opaque#0}`, completing the cycle
= note: cycle used when evaluating trait selection obligation `Bar: core::marker::Send`
= 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 2 previous errors
Some errors have detailed explanations: E0283, E0391.
For more information about an error, try `rustc --explain E0283`.
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