// run-pass #![allow(dead_code)] // aux-build:issue-3979-traits.rs extern crate issue_3979_traits; use issue_3979_traits::{Positioned, Movable}; struct Point { x: isize, y: isize } impl Positioned for Point { fn SetX(&mut self, x: isize) { self.x = x; } fn X(&self) -> isize { self.x } } impl Movable for Point {} pub fn main() { let mut p = Point{ x: 1, y: 2}; p.translate(3); assert_eq!(p.X(), 4); }