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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Regression test for an NLL-related ICE (#53568) -- we failed to
// resolve inference variables in "custom type-ops".
//
// compile-pass
#![feature(nll)]
#![allow(dead_code)]
trait Future {
type Item;
}
impl<F, T> Future for F
where F: Fn() -> T
{
type Item = T;
}
trait Connect {}
struct Connector<H> {
handler: H,
}
impl<H, T> Connect for Connector<H>
where
T: 'static,
H: Future<Item = T>
{
}
struct Client<C> {
connector: C,
}
fn build<C>(_connector: C) -> Client<C> {
unimplemented!()
}
fn client<H>(handler: H) -> Client<impl Connect>
where H: Fn() + Copy
{
let connector = Connector {
handler,
};
let client = build(connector);
client
}
fn main() { }
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