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error[E0700]: hidden type for `impl Iterator<Item = char>` captures lifetime that does not appear in bounds
--> $DIR/issue-105227.rs:7:5
|
LL | fn chars0(v :(& str, &str)) -> impl Iterator<Item = char> {
| ----- -------------------------- opaque type defined here
| |
| hidden type `std::iter::Chain<Chars<'_>, Chars<'_>>` captures the anonymous lifetime defined here
LL |
LL | v.0.chars().chain(v.1.chars())
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: to declare that `impl Iterator<Item = char>` captures `'_`, you can introduce a named lifetime parameter `'a`
|
LL | fn chars0<'a>(v :(&'a str, &'a str)) -> impl Iterator<Item = char> + 'a {
| ++++ ++ ++ ++++
error[E0700]: hidden type for `impl Iterator<Item = char>` captures lifetime that does not appear in bounds
--> $DIR/issue-105227.rs:13:5
|
LL | fn chars1(v0 : & str, v1 : &str) -> impl Iterator<Item = char> {
| ----- -------------------------- opaque type defined here
| |
| hidden type `std::iter::Chain<Chars<'_>, Chars<'_>>` captures the anonymous lifetime defined here
LL |
LL | v0.chars().chain(v1.chars())
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: to declare that `impl Iterator<Item = char>` captures `'_`, you can introduce a named lifetime parameter `'a`
|
LL | fn chars1<'a>(v0 : &'a str, v1 : &'a str) -> impl Iterator<Item = char> + 'a {
| ++++ ++ ++ ++++
error[E0700]: hidden type for `impl Iterator<Item = char>` captures lifetime that does not appear in bounds
--> $DIR/issue-105227.rs:21:5
|
LL | fn chars2<'b>(v0 : &str, v1 : &'_ str, v2 : &'b str) ->
| ---- hidden type `std::iter::Chain<Chars<'_>, Chars<'_>>` captures the anonymous lifetime defined here
LL |
LL | (impl Iterator<Item = char>, &'b str)
| -------------------------- opaque type defined here
LL | {
LL | (v0.chars().chain(v1.chars()), v2)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: to declare that `impl Iterator<Item = char>` captures `'_`, you can use the named lifetime parameter `'b`
|
LL ~ fn chars2<'b>(v0 : &'b str, v1 : &'b str, v2 : &'b str) ->
LL |
LL ~ (impl Iterator<Item = char> + 'b , &'b str)
|
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0700`.
|
