weird-code

不加(CGRect)强转也不会warning

CGRect rect1 = {1, 2, 3, 4};
CGRect rect2 = {.origin.x=5, .size={10, 10}}; // {5, 0, 10, 10}
CGRect rect3 = {1, 2}; // {1, 2, 0, 0}