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1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // This is a regression test for a problem encountered around upvar
12 // inference and trait caching: in particular, we were entering a
13 // temporary closure kind during inference, and then caching results
14 // based on that temporary kind, which led to no error being reported
15 // in this particular test.
21 fn apply
<F
>(f
: F
) where F
: Fn() {
25 let mut farewell
= "goodbye".to_owned();
26 let diary
= || { //~ ERROR E0525
27 farewell
.push_str("!!!");
28 println
!("Then I screamed {}.", farewell
);