// 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. #![allow(dead_code)] #![deny(dead_assignment)] fn f1(x: &mut int) { *x = 1; // no error } fn f2() { let mut x: int = 3; //~ ERROR: value assigned to `x` is never read x = 4; x.clone(); } fn f3() { let mut x: int = 3; x.clone(); x = 4; //~ ERROR: value assigned to `x` is never read } fn main() {}