rust/tests/ui/type-alias-impl-trait/issue-69323.rs

17 lines
364 B
Rust

//@ check-pass
#![feature(type_alias_impl_trait)]
use std::iter::{once, Chain};
fn test1<A: Iterator<Item = &'static str>>(x: A) -> Chain<A, impl Iterator<Item = &'static str>> {
x.chain(once(","))
}
type I<A> = Chain<A, impl Iterator<Item = &'static str>>;
fn test2<A: Iterator<Item = &'static str>>(x: A) -> I<A> {
x.chain(once(","))
}
fn main() {}