// 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. #![feature(managed_boxes)] extern crate debug; use std::cell::Cell; struct r { i: @Cell, } #[unsafe_destructor] impl Drop for r { fn drop(&mut self) { unsafe { self.i.set(self.i.get() + 1); } } } fn f(_i: Vec , _j: Vec ) { } fn main() { let i1 = @Cell::new(0); let i2 = @Cell::new(1); let r1 = vec!(box r { i: i1 }); let r2 = vec!(box r { i: i2 }); f(r1.clone(), r2.clone()); //~^ ERROR failed to find an implementation of println!("{:?}", (r2, i1.get())); println!("{:?}", (r1, i2.get())); }