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Presentation Slides, PDFs, Source Code and other presenter materials are available at: https://github.com/CppCon/CppCon2019
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In this talk I will present an advancement on the Compile Time Regular Expression (CTRE) library. The library was designed with new C++20 features, and it uses novel techniques. This presentation independently sums up the work since my previous CppCon talk about the library.
The primary topic of this talk will be an explanation of the new Deterministic Finite Automaton (DFA) engine in the library and how it's built and optimised during compilation. I will explain the differences and limitations of the new engine in comparison to the previous Back Tracking engine. I will address these differences with a benchmark and I will discuss the generated assembly.
Even if you are not interested in regular expressions, you will learn new techniques in compile-time meta-programming and see new C++20 features in action.
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Hana Dusíková
AVAST
Senior Researcher
Brno, Czech Republic
Hana is working as a senior researcher in Avast Software. Her responsibility is exploring new ideas and optimizing existing ones. She also propagates modern C++ techniques and libraries in internal techtalks and gives talks at local C++ meetups.
She studied computer science at Mendel university and subsequently taught several courses there, including: Data Structures, Computability and Complexity, and Formal Languages and Automata.
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Videos Filmed & Edited by Bash Films: http://www.BashFilms.com
event videographers CppCon 2019: Hana Dusíková “A State of Compile Time Regular Expressions” | |
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