NB broken. Working on the list implementation.

include/list.h

@@ -4,6 +4,7 @@
 
 #include <cstddef>
 
+namespace ods {
 
 // Lists are sequences of values.
 	template <typename T>
@@ -12,9 +13,10 @@ public:
 		virtual std::size_t size(void);
 		virtual T get(std::size_t);
 		virtual T set(std::size_t, T);
-	virtual void add(std:size_t, T);
+		virtual void add(std::size_t, T);
 		virtual T remove(std::size_t);
 	};
 
+} // end namespace ods
 
 #endif

include/simplist.h

@@ -0,0 +1,24 @@
+#ifndef __ODS_SIMPLIST__
+#define __ODS_SIMPLIST__
+
+#include "list.h"
+
+namespace ods {
+
+	template <typename T>
+	    class SimpList : public List {
+	public:
+		SimpList();
+		std::size_t size(void);
+		T get(std::size_t);
+		T set(std::size_t, T);
+		void add(std::size_t, T);
+		T remove(std::size_t);
+	private:
+		T		arr[];
+		std::size_t	cap;
+		std::size_t	len;
+	};
+
+} // end namespace ods
+#endif

notes/chapter1.txt

@@ -142,6 +142,8 @@ Run times come in three flavours:
    is equal to x. In addition, a Bag supports the findAll(x) operation that
    returns a list of all elements in the Bag that are equal to x.
 
+   In progress: src/ch01ex05.cc.
+
 6. From scratch, write and test implementations of the List, USet and SSet
    interfaces. These do not have to be efficient. They can be used later to
    test the correctness and performance of more efficient implementations.

src/Makefile.am

@@ -1,9 +1,11 @@
 AM_CPPFLAGS  =  -Wall -Wextra -pedantic -Wshadow -Wpointer-arith -Wcast-align
 AM_CPPFLAGS +=  -Wwrite-strings -Wmissing-declarations -Wno-long-long -Werror
-AM_CPPFLAGS +=  -Wunused-variable -std=c++14 -D_XOPEN_SOURCE -O0 -g -I.
+AM_CPPFLAGS +=  -Wunused-variable -std=c++14 -D_XOPEN_SOURCE -O0 -g -I. -I../include
 AM_CPPFLAGS +=  -fno-elide-constructors -Weffc++
 
-bin_PROGRAMS :=	ch01ex01 ch01ex03 ch01ex04
+bin_PROGRAMS :=	ch01ex01 ch01ex03 ch01ex04 ch01ex05 ch01ex06
 ch01ex01_SOURCES := ch01ex01.cc
 ch01ex03_SOURCES := ch01ex03.cc
 ch01ex04_SOURCES := ch01ex04.cc
+ch01ex05_SOURCES := ch01ex05.cc
+ch01ex06_SOURCES := simplist.cc ch01ex06.cc

src/ch01ex05.cc

@@ -1,15 +1,22 @@
 #include <iostream>
 #include <vector>
 
-// Using a USet, implement a Bag. A Bag is like a USet supports the add(x),
-// remove(x), and find (x) methods — but it allows duplicate
-// elements to be stored.  The find(x) operation in a Bag returns some element (if any) that is equal to x. In addition,
-// a Bag supports the findAll(x) operation that returns a list of all elements in the Bag that are equal to x.
+// Using a USet, implement a Bag. A Bag is like a USet — it supports the add(x),
+// remove(x), and find (x) methods — but it allows duplicate elements to be
+// stored.  The find(x) operation in a Bag returns some element (if any) that is
+// equal to x. In addition, a Bag supports the findAll(x) operation that returns
+// a list of all elements in the Bag that are equal to x.
 
-template<typename T>
-class Bag {
-public:
+// template<typename T>
+// class Bag {
+// public:
+//
+// private:
+//  	vector<T>	v;
+// };
 
-private:
-	vector<T>	v;
-};
+int
+main(void)
+{
+	return 0;
+}

src/ch01ex06.cc

@@ -0,0 +1,22 @@
+#include <cassert>
+#include <simplist.h>
+using namespace std;
+
+
+static void
+check_simplist(void)
+{
+	ods::SimpList<int>	sl;
+
+	sl.add(0, 1);
+	sl.add(1, 2);
+	sl.add(2, 3);
+	assert(sl.size() == 3);
+}
+
+
+int
+main(void)
+{
+	check_simplist();
+}

src/simplist.cc

@@ -0,0 +1,48 @@
+#include "simplist.h"
+#include <cassert>
+#include <cstdlib>
+#include <stdexcept>
+
+constexpr	std::size_t DEFAULT_SIZE =	8;
+
+namespace ods {
+
+	SimpList<T>::SimpList<T>()
+	{
+		this->arr = new T[DEFAULT_SIZE];
+		this->cap = 0;
+		this->len = 0;
+	}
+
+
+	std::size_t
+	SimpList<T> size(void)
+	{
+		std::assert(len <= cap);
+		return this->len();
+	}
+
+	T
+	SimpList<T>::get(std::size_t i)
+	{
+		throw std::invalid_argument("invalid argument");
+	}
+
+	T
+	SimpList<T>::set(std::size_t, T)
+	{
+		throw std::invalid_argument("invalid argument");
+	}
+
+	void
+	SimpList<T>::add(std::size_t, T)
+	{
+		return;
+	}
+
+	T
+	SimpList<T>::remove(std::size_t)
+	{
+		throw std::invalid_argument("invalid argument");
+	}
+};