Back to Basics: Templates – Part 2 Bob Steagall CppCon 2021CppCon 2021 – Back to Basics: Templates – Part 2 Copyright © 2021 Bob Steagall Recap: Templates • C++ supports generic programming with templates Alias template • Variable templates • Lambda templates 2CppCon 2021 – Back to Basics: Templates – Part 2 Copyright © 2021 Bob Steagall Recap: Translation Units • In C++, translation is performed in nine preprocessing directives (#ifdef) • And all macros expanded 3CppCon 2021 – Back to Basics: Templates – Part 2 Copyright © 2021 Bob Steagall Recap: Declarations and Definitions • A name is an identifier that

Back to Basics: Templates – Part 1 Bob Steagall CppCon 2021CppCon 2021 – Back to Basics: Templates – Part 1 Copyright © 2021 Bob Steagall Overview • Rationale • Template fundamentals • Template categories categories in detail 2CppCon 2021 – Back to Basics: Templates – Part 1 Copyright © 2021 Bob Steagall Goals and References • Goals • Cover major features • Explain some important terminology and concepts cppreference.com 3CppCon 2021 – Back to Basics: Templates – Part 1 Copyright © 2021 Bob Steagall Rationale 4CppCon 2021 – Back to Basics: Templates – Part 1 Copyright © 2021 Bob Steagall 5 The Bad Old Days

#IstioCon Your laptop as part of the service mesh by Lorenzo Fundaró SRE @ Omio #IstioCon What’s on the menu today ● EnvoyFilter in practice ● Demo ● Inspiration #IstioCon Questions #istiocon original Foo 12 request_handle:respond(response) 13 end #IstioCon Ouch ! ● Your laptop is not part of the mesh club #IstioCon A dummy proxy for the mesh ● Called by Lua code ● Parses the contract all the way through the call chain #IstioCon Demo time #IstioCon Thank you ! ● Your laptop as part of the service mesh @ Medium ● Reference implementation and run-it-yourself-demo at github.com/omio-labs/devro

Adventures in SIMD Thinking (Part 2 of 2) Bob Steagall CppCon 2020 K E W B C O M P U T I N GCopyright © 2020 Bob Steagall K E W B C O M P U T I N G Agenda • Learn a little about Intel's SIMD facilities

Adventures in SIMD Thinking (Part 1 of 2) Bob Steagall CppCon 2020 K E W B C O M P U T I N GCopyright © 2020 Bob Steagall K E W B C O M P U T I N G Agenda • Learn a little about Intel's SIMD facilities

@Andreas__Fertig B2B: C++ Templates Part 1 fertig adjective /ˈfɛrtɪç/ finished ready complete completed Andreas Fertig v1.0 B2B: C++ Templates 2 B2B: C++ Templates ­ Part 1 © 2020 Andreas Fertig https://AndreasFertig initiated by the keyword template. Andreas Fertig v1.0 B2B: C++ Templates 4 B2B: C++ Templates ­ Part 1 © 2020 Andreas Fertig https://AndreasFertig.Info post@AndreasFertig.Info 2The different kinds something with buffer 17 } 18 } Andreas Fertig v1.0 B2B: C++ Templates 6 B2B: C++ Templates ­ Part 1 © 2020 Andreas Fertig https://AndreasFertig.Info post@AndreasFertig.Info 3Function templates

Andreas Fertig https://AndreasFertig.Info post@AndreasFertig.Info @Andreas__Fertig B2B: C++ Templates Part 2 Variadic templates: Parameter pack ■ Syntax: A typename|class... Ts generates a type template 20 static_assert(min(3, 2) == 2); Andreas Fertig v1.0 B2B: C++ Templates 2 B2B: C++ Templates ­ Part 2 © 2020 Andreas Fertig https://AndreasFertig.Info post@AndreasFertig.Info 1Variadic templates Print(”Hello”, ”C++”, 20); 15 } Andreas Fertig v1.0 B2B: C++ Templates 4 B2B: C++ Templates ­ Part 2 © 2020 Andreas Fertig https://AndreasFertig.Info post@AndreasFertig.Info 2Fold Expressions C++17

Back to Basics Designing Classes (part 1 of 2) Klaus Iglberger, CppCon 2021 klaus.iglberger@gmx.de2 Klaus Iglberger C++ Trainer/Consultant Author of the C++ math library (Co-)Organizer CppCon B2B and SD tracks Email: klaus.iglberger@gmx.deContent 3 Back to Basics: Class Design (Part 1) The Challenge of Class Design Design Guidelines Design for Readability Design for Change for Testability Implementation Guidelines Resource Management Back to Basics: Class Design (Part 2) Implementation Guidelines Data Member Initialization Implicit Conversions Order of Data Members

Back to Basics Designing Classes (part 1 of 2) Klaus Iglberger, CppCon 2021 klaus.iglberger@gmx.de2 Klaus Iglberger C++ Trainer/Consultant Author of the C++ math library (Co-)Organizer CppCon B2B and SD tracks Email: klaus.iglberger@gmx.deContent 3 Back to Basics: Class Design (Part 1) The Challenge of Class Design Design Guidelines Design for Readability Design for Change for Testability Implementation Guidelines Resource Management Back to Basics: Class Design (Part 2) Implementation Guidelines Data Member Initialization Implicit Conversions Order of Data Members