// 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. #[deriving(Clone)] struct point { x: int, y: int, } fn main() { let mut origin: point; origin = point {x: 10,.. origin}; //~ ERROR use of possibly uninitialized variable: `origin` origin.clone(); }