1const expect = @import("std").testing.expect;
 2test "attempt to swap array elements with array initializer" {
 3    var arr: [2]u32 = .{ 1, 2 };
 4    arr = .{ arr[1], arr[0] };
 5    // The previous line is equivalent to the following two lines:
 6    //   arr[0] = arr[1];
 7    //   arr[1] = arr[0];
 8    // So this fails!
 9    try expect(arr[0] == 2); // succeeds
10    try expect(arr[1] == 1); // fails
11}
12
13// test_error=