Function floating_ui_utils::get_alignment_sides 
source ยท pub fn get_alignment_sides(
    placement: Placement,
    rects: &ElementRects,
    rtl: Option<bool>,
) -> (Side, Side)pub fn get_alignment_sides(
    placement: Placement,
    rects: &ElementRects,
    rtl: Option<bool>,
) -> (Side, Side)