rust/tests/ui/generic-associated-types/bugs/issue-87803.rs

26 lines
469 B
Rust

//@ check-fail
//@ known-bug: #87803
// This should pass, but using a type alias vs a reference directly
// changes late-bound -> early-bound.
trait Scanner {
type Input<'a>;
type Token<'a>;
fn scan<'a>(&mut self, i : Self::Input<'a>) -> Self::Token<'a>;
}
struct IdScanner();
impl Scanner for IdScanner {
type Input<'a> = &'a str;
type Token<'a> = &'a str;
fn scan<'a>(&mut self, s : &'a str) -> &'a str {
s
}
}
fn main() {}