mirror of https://github.com/rust-lang/rust
102 lines
4.5 KiB
Plaintext
102 lines
4.5 KiB
Plaintext
error[E0792]: expected generic lifetime parameter, found `'a`
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--> $DIR/higher-ranked-regions-basic.rs:15:55
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LL | type Opq<'a> = impl Sized + 'a;
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| -- this generic parameter must be used with a generic lifetime parameter
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LL | fn test() -> impl for<'a> Trait<'a, Ty = Opq<'a>> {}
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| ^^
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error[E0700]: hidden type for `impl Sized` captures lifetime that does not appear in bounds
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--> $DIR/higher-ranked-regions-basic.rs:21:58
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LL | fn test() -> impl for<'a> Trait<'a, Ty = impl Sized> {}
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| -- ---------- ^^
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| | |
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| | opaque type defined here
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| hidden type `&'a ()` captures the lifetime `'a` as defined here
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error[E0700]: hidden type for `capture_tait::Opq0` captures lifetime that does not appear in bounds
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--> $DIR/higher-ranked-regions-basic.rs:30:23
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LL | type Opq0 = impl Sized;
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| ---------- opaque type defined here
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LL | type Opq1<'a> = impl for<'b> Trait<'b, Ty = Opq0>;
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| -- hidden type `&'b ()` captures the lifetime `'b` as defined here
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LL | type Opq2 = impl for<'a> Trait<'a, Ty = Opq1<'a>>;
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LL | fn test() -> Opq2 {}
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| ^^
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error[E0792]: expected generic lifetime parameter, found `'a`
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--> $DIR/higher-ranked-regions-basic.rs:39:23
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LL | type Opq1<'a> = impl for<'b> Trait<'b, Ty = Opq0<'b>>; // <- Note 'b
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| -- this generic parameter must be used with a generic lifetime parameter
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LL | type Opq2 = impl for<'a> Trait<'a, Ty = Opq1<'a>>;
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LL | fn test() -> Opq2 {}
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| ^^
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error[E0700]: hidden type for `capture_tait_complex_fail::Opq0<'a>` captures lifetime that does not appear in bounds
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--> $DIR/higher-ranked-regions-basic.rs:49:23
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LL | type Opq0<'a> = impl Sized;
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| ---------- opaque type defined here
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LL | type Opq1<'a> = impl for<'b> Trait<'b, Ty = Opq0<'a>>; // <- Note 'a
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| -- hidden type `&'b ()` captures the lifetime `'b` as defined here
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LL | type Opq2 = impl for<'a> Trait<'a, Ty = Opq1<'a>>;
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LL | fn test() -> Opq2 {}
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| ^^
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error[E0792]: non-defining opaque type use in defining scope
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--> $DIR/higher-ranked-regions-basic.rs:57:41
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LL | fn test() -> impl for<'a> Trait<'a, Ty = Opq0<'a, 'static>> {}
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| ^^^^^^^^^^^^^^^^^^^^^^ argument `'static` is not a generic parameter
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note: for this opaque type
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--> $DIR/higher-ranked-regions-basic.rs:56:25
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LL | type Opq0<'a, 'b> = impl Sized;
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| ^^^^^^^^^^
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error[E0792]: expected generic lifetime parameter, found `'a`
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--> $DIR/higher-ranked-regions-basic.rs:57:65
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LL | type Opq0<'a, 'b> = impl Sized;
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| -- this generic parameter must be used with a generic lifetime parameter
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LL | fn test() -> impl for<'a> Trait<'a, Ty = Opq0<'a, 'static>> {}
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| ^^
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error: non-defining opaque type use in defining scope
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--> $DIR/higher-ranked-regions-basic.rs:66:41
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LL | fn test() -> impl for<'a> Trait<'a, Ty = Opq0<'a, 'a>> {}
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| ^^^^^^^^^^^^^^^^^ generic argument `'a` used twice
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note: for this opaque type
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--> $DIR/higher-ranked-regions-basic.rs:65:25
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LL | type Opq0<'a, 'b> = impl Sized;
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| ^^^^^^^^^^
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error[E0792]: expected generic lifetime parameter, found `'a`
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--> $DIR/higher-ranked-regions-basic.rs:66:60
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LL | type Opq0<'a, 'b> = impl Sized;
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| -- this generic parameter must be used with a generic lifetime parameter
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LL | fn test() -> impl for<'a> Trait<'a, Ty = Opq0<'a, 'a>> {}
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| ^^
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error[E0792]: expected generic lifetime parameter, found `'a`
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--> $DIR/higher-ranked-regions-basic.rs:76:23
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LL | type Opq1<'a> = impl for<'b> Trait<'b, Ty = Opq0<'a, 'b>>;
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| -- this generic parameter must be used with a generic lifetime parameter
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LL | type Opq2 = impl for<'a> Trait<'a, Ty = Opq1<'a>>;
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LL | fn test() -> Opq2 {}
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| ^^
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error: aborting due to 10 previous errors
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Some errors have detailed explanations: E0700, E0792.
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For more information about an error, try `rustc --explain E0700`.
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