9e3d0b002a
This breaks a fair amount of code. The typical patterns are:
* `for _ in range(0, 10)`: change to `for _ in range(0u, 10)`;
* `println!("{}", 3)`: change to `println!("{}", 3i)`;
* `[1, 2, 3].len()`: change to `[1i, 2, 3].len()`.
RFC #30. Closes #6023.
[breaking-change]
53 lines
1.7 KiB
Rust
53 lines
1.7 KiB
Rust
// Copyright 2014 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.
|
|
|
|
use std::cell::RefCell;
|
|
use std::rc::Rc;
|
|
use std::string::String;
|
|
|
|
#[deriving(PartialEq, Show)]
|
|
struct Point {
|
|
x: int,
|
|
y: int
|
|
}
|
|
|
|
pub fn main() {
|
|
assert_eq!(Rc::new(5u).to_uint(), Some(5));
|
|
assert_eq!((box &box &Rc::new(box box &box 5u)).to_uint(), Some(5));
|
|
let point = Rc::new(Point {x: 2, y: 4});
|
|
assert_eq!(point.x, 2);
|
|
assert_eq!(point.y, 4);
|
|
|
|
let i = Rc::new(RefCell::new(2i));
|
|
let i_value = *i.borrow();
|
|
*i.borrow_mut() = 5;
|
|
assert_eq!((i_value, *i.borrow()), (2, 5));
|
|
|
|
let s = Rc::new("foo".to_string());
|
|
assert!(s.equiv(&("foo")));
|
|
assert_eq!(s.as_slice(), "foo");
|
|
|
|
let mut_s = Rc::new(RefCell::new(String::from_str("foo")));
|
|
mut_s.borrow_mut().push_str("bar");
|
|
// HACK assert_eq! would fail here because it stores the LHS and RHS in two locals.
|
|
assert!(mut_s.borrow().as_slice() == "foobar");
|
|
assert!(mut_s.borrow_mut().as_slice() == "foobar");
|
|
|
|
let p = Rc::new(RefCell::new(Point {x: 1, y: 2}));
|
|
p.borrow_mut().x = 3;
|
|
p.borrow_mut().y += 3;
|
|
assert_eq!(*p.borrow(), Point {x: 3, y: 5});
|
|
|
|
let v = Rc::new(RefCell::new([1i, 2, 3]));
|
|
v.borrow_mut()[0] = 3;
|
|
v.borrow_mut()[1] += 3;
|
|
assert_eq!((v.borrow()[0], v.borrow()[1], v.borrow()[2]), (3, 5, 3));
|
|
}
|