| // Copyright 2012 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. |
| |
| // Testing that method lookup automatically both borrows vectors to slices |
| // and also references them to create the &self pointer |
| |
| #![feature(managed_boxes)] |
| |
| trait MyIter { |
| fn test_imm(&self); |
| } |
| |
| impl<'a> MyIter for &'a [int] { |
| fn test_imm(&self) { assert_eq!(self[0], 1) } |
| } |
| |
| impl<'a> MyIter for &'a str { |
| fn test_imm(&self) { assert_eq!(*self, "test") } |
| } |
| |
| pub fn main() { |
| ([1]).test_imm(); |
| (vec!(1)).as_slice().test_imm(); |
| (&[1]).test_imm(); |
| ("test").test_imm(); |
| ("test").test_imm(); |
| |
| // FIXME: Other types of mutable vecs don't currently exist |
| |
| // NB: We don't do this double autoreffing for &mut self because that would |
| // allow creating a mutable pointer to a temporary, which would be a source |
| // of confusion |
| } |