[#3] Refactor, remove casts and use polymorphism to impl reduced() in…

…stead
EthanLin-TWer · Jan 14, 2017 · f1b5532 · f1b5532
1 parent 5ff4462
commit f1b5532
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/src/main/java/org/thoughtworks/linesh/multicurrencymoney/Bank.java b/src/main/java/org/thoughtworks/linesh/multicurrencymoney/Bank.java
@@ -2,9 +2,6 @@
 
 public class Bank {
     public Money reduced(Expression money, String toCurrency) {
-        // TODO: [Linesh][1/9/17] Is type cast a bad smell? 
-        if (money instanceof Money) return money.reduced(toCurrency);
-        Sum sum = (Sum) money;
-        return sum.reduced(toCurrency);
+        return money.reduced(toCurrency);
     }
 }