Modern C++ Features – decltype and std::declval--Arne Mertz

Do you use those?

Modern C++ Features – decltype and std::declval

by Arne Mertz

From the article:

decltype and std::declval are two features that go hand in hand and are most useful in template metaprogramming and in conjunction with the use of type deduction via auto, e.g. in generic lambdas...

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