// 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 Thing { x: isize } impl Thing { fn mul(&self, c: &isize) -> Thing { Thing {x: self.x * *c} } } fn main() { let u = Thing {x: 2}; let _v = u.mul(&3); // This is ok let w = u * 3; //~ ERROR binary operation `*` cannot be applied to type `Thing` }