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