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C++ 2020 Concepts, finally


Concepts are an extension to the templates feature provided by the C++ programming language.[...] concepts are named Boolean predicates on template parameters, evaluated at compile time. A concept may be associated with a template (class template, function template, or member function of a class template), in which case it serves as a constraint: it limits the set of arguments that are accepted as template parameters.


C++20 Concepts Are Here in Visual Studio 2019 version 16.3 – C++ Team Blog


[URL unfurl="true"]https://en.wikipedia.org/wiki/Concepts_(C%2B%2B)[/URL]


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