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// 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
trait MyIter {
fn test_imm(&self);
fn test_const(&const self);
}
impl<'self> MyIter for &'self [int] {
fn test_imm(&self) { assert_eq!(self[0], 1) }
fn test_const(&const self) { assert_eq!(self[0], 1) }
}
impl<'self> MyIter for &'self str {
fn test_imm(&self) { assert_eq!(*self, "test") }
fn test_const(&const self) { assert_eq!(self[0], 't' as u8) }
}
pub fn main() {
// NB: Associativity of ~, etc. in this context is surprising. These must be parenthesized
([1]).test_imm();
(~[1]).test_imm();
(@[1]).test_imm();
(&[1]).test_imm();
("test").test_imm();
(~"test").test_imm();
(@"test").test_imm();
(&"test").test_imm();
// XXX: Other types of mutable vecs don't currently exist
([1]).test_const();
(~[1]).test_const();
(@[1]).test_const();
(&[1]).test_const();
("test").test_const();
(~"test").test_const();
(@"test").test_const();
(&"test").test_const();
// 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
}
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