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// Regression test for issue #105227.
// run-rustfix
#![allow(warnings)]
fn chars0<'a>(v :(&'a str, &'a str)) -> impl Iterator<Item = char> + 'a {
//~^ HELP to declare that `impl Iterator<Item = char>` captures `'_`, you can introduce a named lifetime parameter `'a`
v.0.chars().chain(v.1.chars())
//~^ ERROR hidden type for `impl Iterator<Item = char>` captures lifetime that does not appear in bounds
}
fn chars1<'a>(v0 : &'a str, v1 : &'a str) -> impl Iterator<Item = char> + 'a {
//~^ HELP to declare that `impl Iterator<Item = char>` captures `'_`, you can introduce a named lifetime parameter `'a`
v0.chars().chain(v1.chars())
//~^ ERROR hidden type for `impl Iterator<Item = char>` captures lifetime that does not appear in bound
}
fn chars2<'b>(v0 : &'b str, v1 : &'b str, v2 : &'b str) ->
//~^ HELP to declare that `impl Iterator<Item = char>` captures `'_`, you can use the named lifetime parameter `'b`
(impl Iterator<Item = char> + 'b , &'b str)
{
(v0.chars().chain(v1.chars()), v2)
//~^ ERROR hidden type for `impl Iterator<Item = char>` captures lifetime that does not appear in bound
}
fn main() {
}
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