In this article, we briefly explain everything you need to know to get started with Contracts as proposed for C++26 in P2900.

Contracts for C++ explained in 5 minutes

by Timur Doumler

From the article:

With P2900, we propose to add contract assertions to the C++ language. This proposal is in the final stages of wording review before being included in the draft Standard for C++26.

It has been suggested by some members of the C++ standard committee that this feature is too large, too complicated, and hard to teach. As it turns out, the opposite is true: contract assertions are actually very simple and can be explained in just five minutes. In this blog post, we will do exactly this!