In this recipe, we will explore how to speed up the compilation of your template classes by creating an explicit template declaration. This is important because templates require the compiler to create instances of your classes as needed. In certain cases, explicit template declaration might provide the programmer with a means to speed up compilation by caching the template types that are most likely to be used, preventing the need to include the entire definition of a template.
Working with explicit template declarations
Getting ready
Before beginning, please ensure that all of the technical requirements are met, including installing Ubuntu 18.04 or higher and running the following in a Terminal window:
> sudo apt-get...