rust/src/test/run-pass/init-res-into-things.rs
2012-12-10 17:32:58 -08:00

92 lines
1.5 KiB
Rust

// 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.
// Resources can't be copied, but storing into data structures counts
// as a move unless the stored thing is used afterwards.
struct r {
i: @mut int,
}
impl r : Drop {
fn finalize(&self) {
*(self.i) = *(self.i) + 1;
}
}
fn r(i: @mut int) -> r {
r {
i: i
}
}
fn test_box() {
let i = @mut 0;
{
let a = move @r(i);
}
assert *i == 1;
}
fn test_rec() {
let i = @mut 0;
{
let a = move {x: r(i)};
}
assert *i == 1;
}
fn test_tag() {
enum t {
t0(r),
}
let i = @mut 0;
{
let a = move t0(r(i));
}
assert *i == 1;
}
fn test_tup() {
let i = @mut 0;
{
let a = move (r(i), 0);
}
assert *i == 1;
}
fn test_unique() {
let i = @mut 0;
{
let a = move ~r(i);
}
assert *i == 1;
}
fn test_box_rec() {
let i = @mut 0;
{
let a = move @{
x: r(i)
};
}
assert *i == 1;
}
fn main() {
test_box();
test_rec();
test_tag();
test_tup();
test_unique();
test_box_rec();
}