November 2002
Intermediate to advanced
552 pages
10h 52m
English
Content preview from C++ Templates: The Complete Guide
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Chapter 16. Templates and Inheritance
A priori, there might be no reason to think that templates and inheritance interact in interesting ways. If anything, we know from Chapter 9 that deriving from dependent base classes forces us to deal carefully with unqualified names. However, it turns out that some interesting techniques make use of so-called parameterized inheritance. In this chapter we describe a few of these techniques.
16.1 Named Template Arguments
Various template techniques sometimes cause a class template to end up with many different template type parameters. However, many of these parameters often have reasonable default values. A natural way to define such a class template may look as follows:
template<typename Policy1 = DefaultPolicy1, ...
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