rust/src/test/run-pass/class-methods.rs

37 lines
950 B
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.
struct cat {
priv meows : uint,
how_hungry : int,
}
pub impl cat {
fn speak(&mut self) { self.meows += 1u; }
fn meow_count(&mut self) -> uint { self.meows }
}
fn cat(in_x: uint, in_y: int) -> cat {
cat {
meows: in_x,
how_hungry: in_y
}
}
pub fn main() {
let mut nyan: cat = cat(52u, 99);
let mut kitty = cat(1000u, 2);
assert(nyan.how_hungry == 99);
assert(kitty.how_hungry == 2);
nyan.speak();
assert(nyan.meow_count() == 53u);
}