| // Copyright 2015 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 issue #19499. Due to incorrect caching of trait |
| // results for closures with upvars whose types were not fully |
| // computed, this rather bizarre little program (along with many more |
| // reasonable examples) let to ambiguity errors about not being able |
| // to infer sufficient type information. |
| |
| // pretty-expanded FIXME #23616 |
| |
| fn main() { |
| let n = 0; |
| let it = Some(1_usize).into_iter().inspect(|_| {n;}); |
| } |