| error[E0106]: missing lifetime specifier |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:9:54 |
| | |
| LL | fn g(mut x: impl Iterator<Item = &()>) -> Option<&()> { x.next() } |
| | ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` |
| | |
| LL | fn g(mut x: impl Iterator<Item = &()>) -> Option<&'static ()> { x.next() } |
| | +++++++ |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn g<'a>(mut x: impl Iterator<Item = &'a ()>) -> Option<&'a ()> { x.next() } |
| | ++++ ~~~ ~~~ |
| help: alternatively, you might want to return an owned value |
| | |
| LL - fn g(mut x: impl Iterator<Item = &()>) -> Option<&()> { x.next() } |
| LL + fn g(mut x: impl Iterator<Item = &()>) -> Option<()> { x.next() } |
| | |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:19:60 |
| | |
| LL | async fn i(mut x: impl Iterator<Item = &()>) -> Option<&()> { x.next() } |
| | ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` |
| | |
| LL | async fn i(mut x: impl Iterator<Item = &()>) -> Option<&'static ()> { x.next() } |
| | +++++++ |
| help: consider introducing a named lifetime parameter |
| | |
| LL | async fn i<'a>(mut x: impl Iterator<Item = &'a ()>) -> Option<&'a ()> { x.next() } |
| | ++++ ~~~ ~~~ |
| help: alternatively, you might want to return an owned value |
| | |
| LL - async fn i(mut x: impl Iterator<Item = &()>) -> Option<&()> { x.next() } |
| LL + async fn i(mut x: impl Iterator<Item = &()>) -> Option<()> { x.next() } |
| | |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:28:58 |
| | |
| LL | fn g(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } |
| | ^^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`, or if you will only have owned values |
| | |
| LL | fn g(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'static ()> { x.next() } |
| | ~~~~~~~ |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn g<'a>(mut x: impl Iterator<Item = &'a ()>) -> Option<&'a ()> { x.next() } |
| | ++++ ~~~ ~~~ |
| help: alternatively, you might want to return an owned value |
| | |
| LL - fn g(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } |
| LL + fn g(mut x: impl Iterator<Item = &'_ ()>) -> Option<()> { x.next() } |
| | |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:38:64 |
| | |
| LL | async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } |
| | ^^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`, or if you will only have owned values |
| | |
| LL | async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'static ()> { x.next() } |
| | ~~~~~~~ |
| help: consider introducing a named lifetime parameter |
| | |
| LL | async fn i<'a>(mut x: impl Iterator<Item = &'a ()>) -> Option<&'a ()> { x.next() } |
| | ++++ ~~~ ~~~ |
| help: alternatively, you might want to return an owned value |
| | |
| LL - async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } |
| LL + async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<()> { x.next() } |
| | |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:49:37 |
| | |
| LL | fn g(mut x: impl Foo) -> Option<&()> { x.next() } |
| | ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` |
| | |
| LL | fn g(mut x: impl Foo) -> Option<&'static ()> { x.next() } |
| | +++++++ |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn g<'a>(mut x: impl Foo) -> Option<&'a ()> { x.next() } |
| | ++++ ~~~ |
| help: alternatively, you might want to return an owned value |
| | |
| LL - fn g(mut x: impl Foo) -> Option<&()> { x.next() } |
| LL + fn g(mut x: impl Foo) -> Option<()> { x.next() } |
| | |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:60:41 |
| | |
| LL | fn g(mut x: impl Foo<()>) -> Option<&()> { x.next() } |
| | ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` |
| | |
| LL | fn g(mut x: impl Foo<()>) -> Option<&'static ()> { x.next() } |
| | +++++++ |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn g<'a>(mut x: impl Foo<()>) -> Option<&'a ()> { x.next() } |
| | ++++ ~~~ |
| help: alternatively, you might want to return an owned value |
| | |
| LL - fn g(mut x: impl Foo<()>) -> Option<&()> { x.next() } |
| LL + fn g(mut x: impl Foo<()>) -> Option<()> { x.next() } |
| | |
| |
| warning: elided lifetime has a name |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:66:57 |
| | |
| LL | fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &T) { |
| | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` |
| | |
| = note: `#[warn(elided_named_lifetimes)]` on by default |
| |
| error[E0658]: anonymous lifetimes in `impl Trait` are unstable |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:6:35 |
| | |
| LL | fn f(_: impl Iterator<Item = &()>) {} |
| | ^ expected named lifetime parameter |
| | |
| = help: add `#![feature(anonymous_lifetime_in_impl_trait)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn f<'a>(_: impl Iterator<Item = &'a ()>) {} |
| | ++++ ++ |
| |
| error[E0658]: anonymous lifetimes in `impl Trait` are unstable |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:9:39 |
| | |
| LL | fn g(mut x: impl Iterator<Item = &()>) -> Option<&()> { x.next() } |
| | ^ expected named lifetime parameter |
| | |
| = help: add `#![feature(anonymous_lifetime_in_impl_trait)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn g<'a>(mut x: impl Iterator<Item = &'a ()>) -> Option<&()> { x.next() } |
| | ++++ ++ |
| |
| error: lifetime may not live long enough |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:19:67 |
| | |
| LL | async fn i(mut x: impl Iterator<Item = &()>) -> Option<&()> { x.next() } |
| | ----------------------------------------------------------- ^^^^^^^^ returning this value requires that `'1` must outlive `'static` |
| | | |
| | return type `impl Future<Output = Option<&'static ()>>` contains a lifetime `'1` |
| |
| error[E0658]: anonymous lifetimes in `impl Trait` are unstable |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:25:35 |
| | |
| LL | fn f(_: impl Iterator<Item = &'_ ()>) {} |
| | ^^ expected named lifetime parameter |
| | |
| = help: add `#![feature(anonymous_lifetime_in_impl_trait)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn f<'a>(_: impl Iterator<Item = &'a ()>) {} |
| | ++++ ~~ |
| |
| error[E0658]: anonymous lifetimes in `impl Trait` are unstable |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:28:39 |
| | |
| LL | fn g(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } |
| | ^^ expected named lifetime parameter |
| | |
| = help: add `#![feature(anonymous_lifetime_in_impl_trait)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn g<'a>(mut x: impl Iterator<Item = &'a ()>) -> Option<&'_ ()> { x.next() } |
| | ++++ ~~ |
| |
| error: lifetime may not live long enough |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:38:73 |
| | |
| LL | async fn i(mut x: impl Iterator<Item = &'_ ()>) -> Option<&'_ ()> { x.next() } |
| | ----------------------------------------------------------------- ^^^^^^^^ returning this value requires that `'1` must outlive `'static` |
| | | |
| | return type `impl Future<Output = Option<&'static ()>>` contains a lifetime `'1` |
| |
| error[E0658]: anonymous lifetimes in `impl Trait` are unstable |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:46:18 |
| | |
| LL | fn f(_: impl Foo) {} |
| | ^^^ expected named lifetime parameter |
| | |
| = help: add `#![feature(anonymous_lifetime_in_impl_trait)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn f<'a>(_: impl Foo<'a>) {} |
| | ++++ ++++ |
| |
| error[E0658]: anonymous lifetimes in `impl Trait` are unstable |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:49:22 |
| | |
| LL | fn g(mut x: impl Foo) -> Option<&()> { x.next() } |
| | ^^^ expected named lifetime parameter |
| | |
| = help: add `#![feature(anonymous_lifetime_in_impl_trait)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn g<'a>(mut x: impl Foo<'a>) -> Option<&()> { x.next() } |
| | ++++ ++++ |
| |
| error[E0658]: anonymous lifetimes in `impl Trait` are unstable |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:57:22 |
| | |
| LL | fn f(_: impl Foo<()>) {} |
| | ^ expected named lifetime parameter |
| | |
| = help: add `#![feature(anonymous_lifetime_in_impl_trait)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn f<'a>(_: impl Foo<'a, ()>) {} |
| | ++++ +++ |
| |
| error[E0658]: anonymous lifetimes in `impl Trait` are unstable |
| --> $DIR/impl-trait-missing-lifetime-gated.rs:60:26 |
| | |
| LL | fn g(mut x: impl Foo<()>) -> Option<&()> { x.next() } |
| | ^ expected named lifetime parameter |
| | |
| = help: add `#![feature(anonymous_lifetime_in_impl_trait)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn g<'a>(mut x: impl Foo<'a, ()>) -> Option<&()> { x.next() } |
| | ++++ +++ |
| |
| error: aborting due to 16 previous errors; 1 warning emitted |
| |
| Some errors have detailed explanations: E0106, E0658. |
| For more information about an error, try `rustc --explain E0106`. |
