#![feature(box_syntax)] struct A { a: isize, b: Box } fn deref_after_move() { let x = A { a: 1, b: box 2 }; drop(x.b); drop(*x.b); //~ ERROR use of moved value: `*x.b` } fn deref_after_fu_move() { let x = A { a: 1, b: box 2 }; let y = A { a: 3, .. x }; drop(*x.b); //~ ERROR use of moved value: `*x.b` } fn borrow_after_move() { let x = A { a: 1, b: box 2 }; drop(x.b); let p = &x.b; //~ ERROR use of moved value: `x.b` drop(**p); } fn borrow_after_fu_move() { let x = A { a: 1, b: box 2 }; let _y = A { a: 3, .. x }; let p = &x.b; //~ ERROR use of moved value: `x.b` drop(**p); } fn move_after_borrow() { let x = A { a: 1, b: box 2 }; let p = &x.b; drop(x.b); //~ ERROR cannot move out of `x.b` because it is borrowed drop(**p); } fn fu_move_after_borrow() { let x = A { a: 1, b: box 2 }; let p = &x.b; let _y = A { a: 3, .. x }; //~ ERROR cannot move out of `x.b` because it is borrowed drop(**p); } fn mut_borrow_after_mut_borrow() { let mut x = A { a: 1, b: box 2 }; let p = &mut x.a; let q = &mut x.a; //~ ERROR cannot borrow `x.a` as mutable more than once at a time drop(*p); drop(*q); } fn move_after_move() { let x = A { a: 1, b: box 2 }; drop(x.b); drop(x.b); //~ ERROR use of moved value: `x.b` } fn move_after_fu_move() { let x = A { a: 1, b: box 2 }; let _y = A { a: 3, .. x }; drop(x.b); //~ ERROR use of moved value: `x.b` } fn fu_move_after_move() { let x = A { a: 1, b: box 2 }; drop(x.b); let _z = A { a: 3, .. x }; //~ ERROR use of moved value: `x.b` } fn fu_move_after_fu_move() { let x = A { a: 1, b: box 2 }; let _y = A { a: 3, .. x }; let _z = A { a: 4, .. x }; //~ ERROR use of moved value: `x.b` } // The following functions aren't yet accepted, but they should be. fn copy_after_field_assign_after_uninit() { let mut x: A; x.a = 1; drop(x.a); //~ ERROR use of possibly uninitialized variable: `x.a` } fn borrow_after_field_assign_after_uninit() { let mut x: A; x.a = 1; let p = &x.a; //~ ERROR use of possibly uninitialized variable: `x.a` drop(*p); } fn move_after_field_assign_after_uninit() { let mut x: A; x.b = box 1; drop(x.b); //~ ERROR use of possibly uninitialized variable: `x.b` } fn main() { deref_after_move(); deref_after_fu_move(); borrow_after_move(); borrow_after_fu_move(); move_after_borrow(); fu_move_after_borrow(); mut_borrow_after_mut_borrow(); move_after_move(); move_after_fu_move(); fu_move_after_move(); fu_move_after_fu_move(); copy_after_field_assign_after_uninit(); borrow_after_field_assign_after_uninit(); move_after_field_assign_after_uninit(); }