Lambdas in C++11

[769 words]

Lambda expressions have been introduced to C++ with the most recent standard, presented in Section [expr.prim.lambda]. They allow the creation of simple functions without giving them a name. What are they good for? Being simple is not really the point here; the most useful case that I have found in my limited experience has been as a convenient replacement for Functors (also known as Function objects).

In this post, I’ll give a quick introduction to how to use lambdas in your code. In the next installment, I will discuss a small example of functor, and will show side by side a piece of code with functors and its substitution with a clean lambda.

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Write an Interface between your Program and a Shared Object

[676 words]

I wanted to share something I’ve been doing for some hours today, in the hope to understand it better. I also hope to receive criticism on this, because there might be a better way to do the same thing, only more elegantly. This is no research problem, as I am sure it has been solved time and again in different contexts; but the whole example, comprising all the pieces put together in this post, is something I have not seen around, and I think it can be of some service if I explain it.

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