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Thursday, October 28 • 9:00am - 10:00am
Embracing (and also Destroying) Variant Types Safely

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Designing and implementing a variant type (such as `std::variant` itself) in C++, at first, seems a rather inane topic. It turns out, however, that a variant type's performance or lack thereof, can have an inordinately large impact on software that directly impacts the bottom-line performance of important applications, such as interpreters. database clients, and communication protocols.

In this talk we will delve into the gory details of designing and implementing variant types, with an emphasis on layout, construction, and destruction. Along the way we'll figure out how to optimize not only the run time of the produced program, but also the time and memory consumed during compilation. These aspects, although seldom discussed, are important for provisioning and deploying continuous integration systems.

ALL TALK SESSIONS CAN BE ACCESSED FROM THE MAIN LOBBY: https://cppcon.digital-medium.co.uk/

Speakers
avatar for Andrei Alexandrescu

Andrei Alexandrescu

Principal Research Scientist, NVIDIA
Andrei Alexandrescu is a Principal Research Scientist at NVIDIA. He wrote three best-selling books on programming (Modern C++ Design, C++ Coding Standards, and The D Programming Language) and numerous articles and papers on wide-ranging topics from programming to language design to... Read More →


Thursday October 28, 2021 9:00am - 10:00am MDT
  • Templates/Concepts, Hybrid