pub fn column_index(self_ptr: *const Self) -> usize {
        unsafe {
            let node = ptr::read(self_ptr);
            let column = ptr::read(node.column);

            column.index
        }
    }
/// Return the column index of this `Node`.
Return the column index of this `Node`.
Return the column index of this ` Node ` .
pub fn column_index(self_ptr: *const Self) -> usize {
        unsafe {
            let node = ptr::read(self_ptr);
            let column = ptr::read(node.column);
            column.index
        }
    }
pub fn column_index ( self_ptr : * const Self ) -> usize { unsafe { let node = ptr :: read ( self_ptr ) ; let column = ptr :: read ( node . column ) ; column . index } }
Return the column index of this `Node`.
Return the column index of this ` Node ` .
self_ptr
*const Self
self_ptr
*const Self