rust/tests/ui/lifetimes/issue-105227.rs
2024-02-16 20:02:50 +00:00

27 lines
1.1 KiB
Rust

// Regression test for issue #105227.
//@ run-rustfix
#![allow(warnings)]
fn chars0(v :(& str, &str)) -> impl Iterator<Item = char> {
//~^ 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(v0 : & str, v1 : &str) -> impl Iterator<Item = char> {
//~^ 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 : &str, v1 : &'_ 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 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() {
}