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Advanced Metaprogramming in Classic C++
book

Advanced Metaprogramming in Classic C++

by Davide Di Gennaro
May 2015
Intermediate to advanced content levelIntermediate to advanced
572 pages
9h 52m
English
Apress
Content preview from Advanced Metaprogramming in Classic C++

CHAPTER 10

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Refactoring

Templates can be considered a generalization of ordinary classes and functions. Often a preexisting function or class, which is already tested, is promoted to a template, because of new software requirements; this will often save debugging time.

However, be careful before adding template parameters that correspond to implementation details, because they are going to be part of the type. Objects that do not differ significantly may not be interoperable. Consider again the example from Section 1.4.9, which is a container that violates this rule:

template <typename T, size_t INITIAL_CAPACITY = 0>class special_vector;

It makes ...

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ISBN: 9781484210109Purchase book