Mateusz Pusz

Mateusz is a software architect, principal engineer, and security champion with over 20 years of experience designing, writing, and maintaining C++ code for fun and for a living. His main areas of interest and expertise are Modern C++, code performance, low latency, safety, and maintainability.

As the founder of Train IT, Mateusz provides dedicated C++ training and consulting services to corporations worldwide, drawing on over 15 years of teaching experience. He contributes to the industry as a conference speaker and as an active voting member of the ISO C++ Committee (WG21), where he helps shape the language's future alongside the world's top experts.

Committed to software safety, Mateusz is also the founder and primary author of the mp-units project, an open-source library that strives to make the world safer by ensuring the correct handling of physical quantities in software.

Sessions

  • The Art of C++ Friendship

    Beginner
    Intermediate
    Advanced
    Design

    C++ offers a rich set of access specifiers to control the visibility of class members. However, the friend keyword introduces a unique and often misunderstood concept. This talk explores the nuances of friendship, examining its role in code design, testing, and compilation performance optimization. We'll delve into the intricacies of friendship, exploring its benefits and potential pitfalls. We'll examine how to leverage friendship effectively, discuss best practices, and uncover hidden gems and common misconceptions. We will see how friendship affects name lookup and compile-time error messages. We will discuss best practices for using it effectively and learn how to avoid […]

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