Add Initial commit for print and remove functions

CM2005 Object Oriented Programming/Topic 5/5.1.9/Wallet.cpp

@@ -0,0 +1,40 @@
+#include "Wallet.h"
+
+Wallet::Wallet()
+{
+
+}
+
+void Wallet::insertCurrency(std::string type, double amount)
+{
+  double balance;
+  if(amount < 0)
+  {
+    throw std::exception{};
+  }
+  if(currencies.count(type) == 0) // not in wallet yet
+  {
+    balance = 0;
+  }
+  else
+  {
+    balance = currencies[type];
+  }
+  balance += amount;
+  currencies[type] = balance;
+}
+
+bool Wallet::containsCurrency(std::string type, double amount)
+{
+  if(currencies.count(type) == 0) // not in wallet yet
+  {
+    return false;
+  }
+  else
+    return currencies[type] >= amount;
+}
+
+std::string Wallet::toString()
+{
+  return "Oink!";
+}