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struct A { a: isize, b: Box<isize> }
fn deref_after_move() {
let x = A { a: 1, b: Box::new(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::new(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::new(2) };
drop(x.b);
let p = &x.b; //~ ERROR borrow of moved value: `x.b`
drop(**p);
}
fn borrow_after_fu_move() {
let x = A { a: 1, b: Box::new(2) };
let _y = A { a: 3, .. x };
let p = &x.b; //~ ERROR borrow of moved value: `x.b`
drop(**p);
}
fn move_after_borrow() {
let x = A { a: 1, b: Box::new(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::new(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::new(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::new(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::new(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::new(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::new(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; //~ ERROR E0381
drop(x.a);
}
fn borrow_after_field_assign_after_uninit() {
let mut x: A;
x.a = 1; //~ ERROR E0381
let p = &x.a;
drop(*p);
}
fn move_after_field_assign_after_uninit() {
let mut x: A;
x.b = Box::new(1); //~ ERROR E0381
drop(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();
}
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