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|
error[E0261]: use of undeclared lifetime name `'b`
--> $DIR/nested-rpit-hrtb.rs:57:77
|
LL | fn two_htrb_outlives() -> impl for<'a> Foo<'a, Assoc = impl for<'b> Sized + 'b> {}
| ^^ undeclared lifetime
|
= note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
help: consider making the bound lifetime-generic with a new `'b` lifetime
|
LL | fn two_htrb_outlives() -> impl for<'b, 'a> Foo<'a, Assoc = impl for<'b> Sized + 'b> {}
| +++
help: consider introducing lifetime `'b` here
|
LL | fn two_htrb_outlives<'b>() -> impl for<'a> Foo<'a, Assoc = impl for<'b> Sized + 'b> {}
| ++++
error[E0261]: use of undeclared lifetime name `'b`
--> $DIR/nested-rpit-hrtb.rs:65:82
|
LL | fn two_htrb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {}
| ^^ undeclared lifetime
|
help: consider making the bound lifetime-generic with a new `'b` lifetime
|
LL | fn two_htrb_outlives_uses() -> impl for<'b, 'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {}
| +++
help: consider introducing lifetime `'b` here
|
LL | fn two_htrb_outlives_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {}
| ++++
error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait`
--> $DIR/nested-rpit-hrtb.rs:25:69
|
LL | fn one_hrtb_outlives() -> impl for<'a> Foo<'a, Assoc = impl Sized + 'a> {}
| ^^
|
note: lifetime declared here
--> $DIR/nested-rpit-hrtb.rs:25:36
|
LL | fn one_hrtb_outlives() -> impl for<'a> Foo<'a, Assoc = impl Sized + 'a> {}
| ^^
error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait`
--> $DIR/nested-rpit-hrtb.rs:29:68
|
LL | fn one_hrtb_trait_param() -> impl for<'a> Foo<'a, Assoc = impl Qux<'a>> {}
| ^^
|
note: lifetime declared here
--> $DIR/nested-rpit-hrtb.rs:29:39
|
LL | fn one_hrtb_trait_param() -> impl for<'a> Foo<'a, Assoc = impl Qux<'a>> {}
| ^^
error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait`
--> $DIR/nested-rpit-hrtb.rs:32:74
|
LL | fn one_hrtb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'a> {}
| ^^
|
note: lifetime declared here
--> $DIR/nested-rpit-hrtb.rs:32:41
|
LL | fn one_hrtb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'a> {}
| ^^
error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait`
--> $DIR/nested-rpit-hrtb.rs:35:73
|
LL | fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {}
| ^^
|
note: lifetime declared here
--> $DIR/nested-rpit-hrtb.rs:35:44
|
LL | fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {}
| ^^
error[E0277]: the trait bound `for<'a> &'a (): Qux<'b>` is not satisfied
--> $DIR/nested-rpit-hrtb.rs:45:79
|
LL | fn one_hrtb_mention_fn_trait_param_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Qux<'b>> {}
| ^^^^^^^^^^^^ the trait `for<'a> Qux<'b>` is not implemented for `&'a ()`
|
= help: the trait `Qux<'b>` is not implemented for `&'a ()`
but trait `Qux<'_>` is implemented for `()`
= help: for that trait implementation, expected `()`, found `&'a ()`
error: lifetime may not live long enough
--> $DIR/nested-rpit-hrtb.rs:49:93
|
LL | fn one_hrtb_mention_fn_outlives_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'b> {}
| -- lifetime `'b` defined here ^^ opaque type requires that `'b` must outlive `'static`
error: implementation of `Bar` is not general enough
--> $DIR/nested-rpit-hrtb.rs:49:93
|
LL | fn one_hrtb_mention_fn_outlives_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'b> {}
| ^^ implementation of `Bar` is not general enough
|
= note: `()` must implement `Bar<'a>`
= note: ...but it actually implements `Bar<'0>`, for some specific lifetime `'0`
error[E0277]: the trait bound `for<'a, 'b> &'a (): Qux<'b>` is not satisfied
--> $DIR/nested-rpit-hrtb.rs:61:64
|
LL | fn two_htrb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Qux<'b>> {}
| ^^^^^^^^^^^^^^^^^^^^ the trait `for<'a, 'b> Qux<'b>` is not implemented for `&'a ()`
|
= help: the trait `Qux<'b>` is not implemented for `&'a ()`
but trait `Qux<'_>` is implemented for `()`
= help: for that trait implementation, expected `()`, found `&'a ()`
error: aborting due to 10 previous errors
Some errors have detailed explanations: E0261, E0277, E0657.
For more information about an error, try `rustc --explain E0261`.
|
