rust/tests/ui/destructuring-assignment/note-unsupported.rs
2023-01-11 09:32:08 +00:00

23 lines
705 B
Rust

struct S { x: u8, y: u8 }
fn main() {
let (a, b) = (1, 2);
(a, b) = (3, 4);
(a, b) += (3, 4); //~ ERROR invalid left-hand side of assignment
//~| ERROR binary assignment operation `+=` cannot be applied
[a, b] = [3, 4];
[a, b] += [3, 4]; //~ ERROR invalid left-hand side of assignment
//~| ERROR binary assignment operation `+=` cannot be applied
let s = S { x: 3, y: 4 };
S { x: a, y: b } = s;
S { x: a, y: b } += s; //~ ERROR invalid left-hand side of assignment
//~| ERROR binary assignment operation `+=` cannot be applied
S { x: a, ..s } = S { x: 3, y: 4 };
//~^ ERROR functional record updates are not allowed in destructuring assignments
}