What are Constraints in C++?
Constraints are the conditions or requirements that need to be satisfied by template arguments when using templates. It allows the user to specify what types or values can be used with a template.
Constraints and Concepts in C++ 20
In this article, we will learn about the constraints and concepts with the help of examples in a simple way. So, it is a feature that was introduced in the latest version i.e. C++20 that specifies requirements on template arguments and enables more expressive and readable code.