// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. struct Counter { value: uint } impl Counter { fn new(v: uint) -> Counter { Counter {value: v} } fn get_and_inc(&mut self) -> uint { let v = self.value; self.value += 1; v } } pub fn main() { let v = Counter::new(22).get_and_inc(); assert_eq!(v, 22); }