rust/tests/ui/pattern/bindings-after-at/borrowck-pat-by-move-and-ref.rs

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// Test that `ref mut? @ pat_with_by_move_bindings` is prevented.
fn main() {
struct U;
// Prevent promotion.
fn u() -> U {
U
}
fn f1(ref a @ b: U) {}
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR borrow of moved value
fn f2(ref a @ (ref b @ mut c, ref d @ e): (U, U)) {}
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
//~| ERROR borrow of moved value
//~| ERROR borrow of moved value
fn f3(ref mut a @ [b, mut c]: [U; 2]) {}
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR borrow of partially moved value
let ref a @ b = U;
//~^ ERROR cannot move out of value because it is borrowed
let ref a @ (ref b @ mut c, ref d @ e) = (U, U);
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
let ref mut a @ [b, mut c] = [U, U];
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR borrow of partially moved value
let ref a @ b = u();
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR borrow of moved value
let ref a @ (ref b @ mut c, ref d @ e) = (u(), u());
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
//~| ERROR borrow of moved value
//~| ERROR borrow of moved value
let ref mut a @ [b, mut c] = [u(), u()];
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR borrow of partially moved value
match Some(U) {
ref a @ Some(b) => {}
//~^ ERROR cannot move out of value because it is borrowed
None => {}
}
match Some((U, U)) {
ref a @ Some((ref b @ mut c, ref d @ e)) => {}
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
None => {}
}
match Some([U, U]) {
ref mut a @ Some([b, mut c]) => {}
//~^ ERROR cannot move out of value because it is borrowed
None => {}
}
match Some(u()) {
ref a @ Some(b) => {}
//~^ ERROR cannot move out of value because it is borrowed
None => {}
}
match Some((u(), u())) {
ref a @ Some((ref b @ mut c, ref d @ e)) => {}
//~^ ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
//~| ERROR cannot move out of value because it is borrowed
//~| ERROR borrow of moved value
//~| ERROR borrow of moved value
None => {}
}
match Some([u(), u()]) {
ref mut a @ Some([b, mut c]) => {}
//~^ ERROR cannot move out of value because it is borrowed
None => {}
}
}