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C++ Templates: The Complete Guide, 2nd Edition by Douglas Gregor, Nicolai M. Josuttis, David Vandevoorde

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Chapter 3

Nontype Template Parameters

For function and class templates, template parameters don’t have to be types. They can also be ordinary values. As with templates using type parameters, you define code for which a certain detail remains open until the code is used. However, the detail that is open is a value instead of a type. When using such a template, you have to specify this value explicitly. The resulting code then gets instantiated. This chapter illustrates this feature for a new version of the stack class template. In addition, we show an example of nontype function template parameters and discuss some restrictions to this technique.

3.1 Nontype Class Template Parameters

In contrast to the sample implementations of a stack in previous ...

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