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