Close a position

 
if(OrderType()<=OP_SELL &&
OrderSymbol()==Symbol())
{
if(OrderType()==OP_BUY)
Is there an advantage of this code or is it possible to say:
if(OrderSymbol()==Symbol()
{
if(OrderType()==OP_BUY

else (OrderType must bi OP_SELL)
 
if(OrderType()<=OP_SELL &&
OrderSymbol()==Symbol())
{
if(OrderType()==OP_BUY)
Is there an advantage of this code or is it possible to say:
if(OrderSymbol()==Symbol()
{
if(OrderType()==OP_BUY

else (OrderType must bi OP_SELL)
Reason: