Swapping the list elements in positions _from and _to. Power Query implementation

swap.m

    List.Swap = (_,_from as number ,_to as number) => 
                     let
                        from = List.Min({_from,_to}),
                        to = List.Max({_from,_to})                        
                     in if from=to then _ else
                        List.Range(_,0,from)
                        &{_{to}}
                        &List.Range(_,from+1,to-from-1)
                        &{_{from}}
                        &List.Range(_,to+1)