//@ run-pass #![allow(dead_code)] struct Triple {a: isize, b: isize, c: isize} fn test(foo: Box) -> Box { let foo = foo; let bar = foo; let baz = bar; let quux = baz; return quux; } pub fn main() { let x = Box::new(Triple{a: 1, b: 2, c: 3}); let y = test(x); assert_eq!(y.c, 3); }