Marius Bancila

System Developer at Visma

Marius Bancila is the author of Modern C++ Programming Cookbook and The Modern C++ Challenge. He has been a Microsoft MVP since 2006, for VC++ and later Visual Studio and Development Technologies. He is a system architect and works with various technologies, both managed and unmanaged, for desktop, cloud, and mobile, mainly developing with VC++ and VC#. He keeps a blog at http://www.mariusbancila.ro/blog, focused on C++ and Windows programming. He is the co-founder of codexpert.ro, a community for Romanian C++ programmers.

Consistent Comparison in C++20

Apr 09, 2020

Comparison is a ubiquitous operation that we perform when writing code but not everything can be taken for granted. Equality and ordering can sometimes be tricky and there hasn’t been a unified approach to handling them. This changed in C++20 with the adoption of the three-way comparison operator (<=>), also known as the spaceship operator.

This talk will teach you the new consistent ways of writing comparisons.

In this talk you will learn:

theoretical aspects of equivalence, equality, and ordering relationships
guidelines for implementing comparison
what is the new three-way comparison operator in C++20
what are the newly introduced comparison categories and how they relate
how to write the three-way comparison operator for your types

Modernizing legacy C++ code

Apr 09, 2020

Different people define legacy code in different ways. For some, it is old code that is still being used because it works and functions to the user’s needs even though better and more efficient technologies are available. For others, it is simply the code you wrote yesterday. Nevertheless, at some point everybody has dealt with legacy code. For some of us, it is a daily routine.

In this talk, I will share points of general interest from the experience of modernizing decades-old, large C++ projects. We will look at some core guidelines that can be used in any C++ project, be it legacy or new.

C++ libraries for daily use

Apr 09, 2020

The Standard library is a rich collection of functions and classes, most of them for general purpose, that help with various daily tasks C++ developers encounter. Yet, we are often required to resort to 3rd party libraries to solve common problems. In this talk, I will give a short walk through five libraries that you can use for solving common problems:

fmt: a modern library for text formatting as alternative to printf and iostreams
loguru: a light-weight easy to use library for logging
nlohmann\json: a modern library for working with JSON
Lyra: a command line arguments parser for C++11 and beyond
Catch2: a header-only test framework for unit-tests, TDD, and BDD

From this talk, you will learn what are the most important features of these libraries so that you can start using them in your projects.