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// 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.
static mut destructor_count: uint = 0;
trait Foo {
fn foo(self, x: int);
}
struct S {
x: int,
y: int,
z: int,
s: String,
}
impl Foo for S {
fn foo(self, x: int) {
assert!(self.x == 2);
assert!(self.y == 3);
assert!(self.z == 4);
assert!(self.s.as_slice() == "hello");
assert!(x == 5);
}
}
impl Drop for S {
fn drop(&mut self) {
println!("bye 1!");
unsafe {
destructor_count += 1;
}
}
}
impl Foo for int {
fn foo(self, x: int) {
println!("{}", x * x);
}
}
fn f() {
let s = S {
x: 2,
y: 3,
z: 4,
s: "hello".to_string(),
};
let st = box s as Box<Foo>;
st.foo(5);
println!("bye 2!");
}
fn g() {
let s = 2i;
let st = box s as Box<Foo>;
st.foo(3);
println!("bye 3!");
}
fn main() {
f();
unsafe {
assert!(destructor_count == 1);
}
g();
}
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