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Constraining Class Templates

Explore how to constrain C++ class templates by applying concepts and requires clauses to enforce type requirements. Understand how to limit template arguments to integral types and specialize templates based on type properties, enhancing code safety and clarity in template metaprogramming.

Class templates and class template specializations can also be constrained just like function templates. To start, we’ll consider the wrapper class template again, but this time with the requirement that it should only work for template arguments of integral types. This ...