How do I use generic lambdas in C++14?

In C++14, you can use generic lambdas which allow you to define a lambda function that can take parameters of any type. This is achieved by using the auto keyword to deduce the types of the parameters automatically. This feature enhances code reusability and reduces redundancy.

Here's an example of a generic lambda that can add two numbers of any type, as long as the types support the addition operator:

auto add = [](auto a, auto b) { return a + b; }; int resultInt = add(5, 3); // resultInt will be 8 double resultDouble = add(5.5, 2.3); // resultDouble will be 7.8 std::string resultString = add(std::string("Hello, "), std::string("World!")); // resultString will be "Hello, World!"

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