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Ch9内存模型和名称空间/名称空间/usenmsp.cpp

+//usenmsp.cpp -- using namespaces
+
+#include <iostream>
+#include "namesp.h"
+
+void other(void);
+void another(void);
+
+int main(void)
+{
+	using debts::Debt;
+	using debts::showDebt;
+
+	Debt golf = { {"Benny","Goatsniff"},120.0};
+	showDebt(golf);
+
+	other();
+	another();
+
+
+}
+
+
+void other(void)
+{
+	using std::cout;
+	using std::endl;
+	using namespace debts;
+
+	Person dg = { "Doodles","Glister" };
+	showPerson(dg);
+	cout << endl;
+
+	Debt zippy[3];
+	int i;
+	for (i = 0; i < 3; i++)
+		getDebt(zippy[i]);
+
+	for (i = 0; i < 3; i++)
+		showDebt(zippy[i]);
+	cout << "Total debt: $" << sumDebts(zippy, 3) << endl;
+	
+	return;
+		
+}
+
+
+void another(void)
+{
+	using pers::Person;
+	Person collector = { "Milo","Rightshift" };
+	pers::showPerson(collector);
+	std::cout << std::endl;
+}
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