Exercise 3-6

Rewrite twice as a lambda. More...

Files
file	exercise-3-6.hpp
	Solution to Exercise 3-6.

Namespaces
namespace	exercise_3_6
	Encapsulate solution for Exercise 3-6.

Detailed Description

Rewrite twice as a lambda.

3-6. Build a lambda expression that has functionality equivalent to twice.
     Hint: mpl::apply is a metafunction!