Policy-based design allows for exceptional flexibility in the creation of finely customizable classes. Sometimes, this flexibility and power become the enemy of a good design. In this section, we will review the strengths and weaknesses of the policy-based design and come up with some general recommendations.
Recommendations and guidelines
Strengths of the policy-based design
The main advantages of the policy-based design are the flexibility and extensibility of the design. At a high level, these are the same benefits the Strategy pattern offers, only realized at compile-time. The policy-based design allows the programmer to select, at compile time, one of several algorithms for each specific task or operation performed by...
