func (m *M) completeTrade(brk, srk msg.MsgKind, b, s *pqueue.OrderNode, price, amount uint64) {
m.Out.Write(msg.Message{Kind: brk, Price: price, Amount: amount, TraderId: b.TraderId(), TradeId: b.TradeId(), StockId: b.StockId()})
m.Out.Write(msg.Message{Kind: srk, Price: price, Amount: amount, TraderId: s.TraderId(), TradeId: s.TradeId(), StockId: s.StockId()})
}
func completeTrade(out chan<- *msg.Message, brk, srk msg.MsgKind, b, s *pqueue.OrderNode, price uint64, amount uint32) {
br := &msg.Message{Kind: brk, Price: price, Amount: amount, TraderId: b.TraderId(), TradeId: b.TradeId(), StockId: b.StockId()}
sr := &msg.Message{Kind: srk, Price: price, Amount: amount, TraderId: s.TraderId(), TradeId: s.TradeId(), StockId: s.StockId()}
out <- br
out <- sr
}