1 // Copyright 2015 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 // Test that overloaded calls work with zero arity closures
13 #![feature(box_syntax)]
16 let functions: [Box<Fn() -> Option<()>>; 1] = [box || None];
18 let _: Option<Vec<()>> = functions.iter().map(|f| (*f)()).collect();