adding cs142 code

cs142/smcquay/people/Makefile

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+CPPFLAGS=-Wall -g -std=c++0x
+
+all: person-test person.o
+
+person-test: person-test.cc person.o
+person.o: person.cc person.h
+
+clean:
+	@rm -fv person-test *.o

cs142/smcquay/people/person-test.cc

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+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "person.h"
+
+int main(int argc, char * argv[])
+{
+    person p;
+    p.populate_data();
+    cout << p << endl;
+    cout << p.as_string() << endl;
+
+    person p2("derek mcquay", 21);
+    cout << p2 << endl;
+}

cs142/smcquay/people/person.cc

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+#include "person.h"
+
+void person::populate_data() {
+  cout << "enter name: ";
+  getline(cin, name);
+
+  cout << "enter age: ";
+  cin >> age;
+}
+
+string person::as_string() const {
+  ostringstream stm;
+
+  stm << "name: "
+      << name
+      << ", age: "
+      << age;
+
+  return stm.str();
+}
+
+ostream & operator<<(ostream & os, const person & e) {
+  os << e.as_string();
+  return os;
+}

cs142/smcquay/people/person.h

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+#include <string>
+#include <iostream>
+#include <ostream>
+#include <sstream>
+
+using namespace std;
+
+#pragma once
+
+class person
+{
+  private:
+    string name;
+    int age;
+  public:
+    person(){};
+
+    person(const string name, int age): name(name), age(age){};
+    string as_string() const;
+
+    void populate_data();
+
+    // you can define and declare in a header too:
+    inline int dummy_function() { return 42; };
+
+    // this is what allows us to do cout << my_person;
+    friend ostream & operator<<(ostream & os, const person & e);
+};

cs142/smcquay/people/tags

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+!_TAG_FILE_FORMAT	2	/extended format; --format=1 will not append ;" to lines/
+!_TAG_FILE_SORTED	1	/0=unsorted, 1=sorted, 2=foldcase/
+!_TAG_PROGRAM_AUTHOR	Darren Hiebert	/dhiebert@users.sourceforge.net/
+!_TAG_PROGRAM_NAME	Exuberant Ctags	//
+!_TAG_PROGRAM_URL	http://ctags.sourceforge.net	/official site/
+!_TAG_PROGRAM_VERSION	5.9~svn20110310	//
+CPPFLAGS	Makefile	/^CPPFLAGS=-Wall -g -std=c++0x$/;"	m
+age	person.h	/^    int age;$/;"	m	class:person
+as_string	person.cc	/^string person::as_string() const$/;"	f	class:person
+dummy_function	person.h	/^    inline int dummy_function() { return 42; };$/;"	f	class:person
+main	person-test.cc	/^int main(int argc, char * argv[])$/;"	f
+name	person.h	/^    string name;$/;"	m	class:person
+operator <<	person.cc	/^ostream & operator<<(ostream & os, const person & e)$/;"	f
+person	person.h	/^    person(){};$/;"	f	class:person
+person	person.h	/^    person(const string name, int age): name(name), age(age){};$/;"	f	class:person
+person	person.h	/^class person$/;"	c
+populate_data	person.cc	/^void person::populate_data()$/;"	f	class:person