Exercise 4-1

Implement my own versions of Boost MPL boolean operations. More...

Files
file	exercise-4-1.hpp
	Solution to Exercise 4-1.

Namespaces
namespace	test_4_1
	Tests functionality from Exercise 4-1.
namespace	exercise_4_1
	Encapsulate solution for Exercise 4-1.

Detailed Description

Implement my own versions of Boost MPL boolean operations.

4-1. Implement binary metafunctions called logical_or and logical_and that
     model the behavior of mpl::or_ and mpl::and_, correspondingly.  Use
     tests from exercise 4-0 to verify your implementation.