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The C++ Type Loophole (C++14) - Alexandr Poltavsky, software developer

The C++ Type Loophole (C++14) Recently I was doing some work on retrieving struct data member types. And as I was exploring, researching and testing ideas I uncovered this pearl: template struct tag{}; template struct loophole t { friend auto loophole(tag) { return T{}; }; }; auto loophole(tag); sizeof( loophole t ); std::is same std::string, decltype( loophole(tag{}) ) ::value; ....

Simon Brand , Scott Meyers , Alisdair Meredith , Stephant Lavavej , Howard Hinnant , Sasha Sobol , Type Loophole , சிமோன் பிராண்ட் , ஸ்காட் மேயர்கள் ,

How C++ Resolves a Function Call


How C++ Resolves a Function Call
C is a simple language. You’re only allowed to have one function with each name. C++, on the other hand, gives you much more flexibility:
You can have multiple functions with the same name (overloading).
+ and
Namespaces help you avoid naming conflicts.
I like these C++ features. With these features, you can make
str1 + str2 return the concatenation of two strings. You can have a pair of 2D points, and another pair of 3D points, and overload
dot(a, b) to work with either type. You can have a bunch of array-like classes and write a single ....

Stephant Lavavej , Eli Bendersky ,