1 // Copyright 2018 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.
12 fn takes_ref(_: &Foo) {}
15 let ref opt = Some(Foo);
16 opt.map(|arg| takes_ref(arg));
17 //~^ ERROR mismatched types [E0308]
18 opt.and_then(|arg| Some(takes_ref(arg)));
19 //~^ ERROR mismatched types [E0308]
20 let ref opt: Result<_, ()> = Ok(Foo);
21 opt.map(|arg| takes_ref(arg));
22 //~^ ERROR mismatched types [E0308]
23 opt.and_then(|arg| Ok(takes_ref(arg)));
24 //~^ ERROR mismatched types [E0308]