// This issue reproduces an ICE on compile (E.g. fails on 2018-12-19 nightly).
+// "cannot relate bound region: ReLateBound(DebruijnIndex(1), BrAnon(1)) <= '_#1r"
// run-pass
// edition:2018
-#![feature(async_await,futures_api,generators)]
+#![feature(generators,generator_trait)]
+use std::ops::Generator;
-pub struct Foo;
-
-impl Foo {
- async fn with<'a, F, R>(&'a self, f: F) -> R
- where F: Fn() -> R + 'a,
- {
+fn with<F>(f: F) -> impl Generator<Yield=(), Return=()>
+where F: Fn() -> ()
+{
+ move || {
loop {
match f() {
_ => yield,
}
}
}
+}
- pub async fn run<'a>(&'a self, data: &'a [u8])
- {
- let _to_pin = self.with(move || println!("{:p}", data));
+fn main() {
+ let data = &vec![1];
+ || {
+ let _to_pin = with(move || println!("{:p}", data));
loop {
yield
}
- }
+ };
}
-fn main() {}