| // Copyright 2013 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. |
| |
| // Test invoked `&self` methods on owned objects where the values |
| // closed over do not contain managed values, and thus the boxes do |
| // not have headers. |
| |
| #![feature(box_syntax)] |
| |
| |
| trait FooTrait { |
| fn foo(&self) -> usize; |
| } |
| |
| struct BarStruct { |
| x: usize |
| } |
| |
| impl FooTrait for BarStruct { |
| fn foo(&self) -> usize { |
| self.x |
| } |
| } |
| |
| pub fn main() { |
| let foos: Vec<Box<FooTrait>> = vec![ |
| box BarStruct{ x: 0 } as Box<FooTrait>, |
| box BarStruct{ x: 1 } as Box<FooTrait>, |
| box BarStruct{ x: 2 } as Box<FooTrait> |
| ]; |
| |
| for i in 0..foos.len() { |
| assert_eq!(i, foos[i].foo()); |
| } |
| } |