Template Metaprogramming: Type Traits Part 1 CppCon 2020 1 Jody Hagins
 jhagins@maystreet.com 
 coachhagins@gmail.comTemplate Metaprogramming: Type Traits CppCon 2020 2 IntroductionIntended Audience oriented: shallow depth, slow current • Not necessarily beginner to C++, but beginner to traditional template metaprogramming techniques 3Intended Audience • Beginner/Intermediate • Gentle entry: swimming oriented: shallow depth, slow current • Not necessarily beginner to C++, but beginner to traditional template metaprogramming techniques • Type traits part of standard library for ~10 years 3Intended Audience

1 / 58Template Metaprogramming (TMP) Template Metaprogramming (TMP) template using meta_fun = this_talk; 2 / 58❓static_assert(Template::Metaprogramming::is_hard); // ✔ 3 / 58❓s 58❓static_assert(Template::Metaprogramming::is_hard); // ✔ ❓static_assert(Template::Metaprogramming::is_powerful); // ✔ 3 / 58❓static_assert(Template::Metaprogramming::is_hard); // ✔ ❓static_assert( ❓static_assert(Template::Metaprogramming::is_powerful); // ✔ ❓static_assert(( Template::Metaprogramming::is_easy and Template::Metaprogramming::is_powerful and Template::Metaprogramming::has_nice_error_messages

............................................................................. 24 Inheriting the starter parent ............................................................................... 24 Using ...................................................................................... 27 13.5. Starter POMs ........................................................................................... ConfigurableWebBindingInitializer ...................................................................... 78 Template engines .......................................................................................

............................................................................. 24 Inheriting the starter parent ............................................................................... 24 Using ConfigurableWebBindingInitializer ...................................................................... 83 Template engines ....................................................................................... ................................................................... 152 43.4. Creating your own starter ................................................................................ 152 Naming ....

............................................................................. 24 Inheriting the starter parent ............................................................................... 24 Using ConfigurableWebBindingInitializer ...................................................................... 83 Template engines ....................................................................................... ................................................................... 152 43.4. Creating your own starter ................................................................................ 152 Naming ....

............................................................................. 24 Inheriting the starter parent ............................................................................... 24 Using ConfigurableWebBindingInitializer ...................................................................... 83 Template engines ....................................................................................... ................................................................... 152 43.4. Creating your own starter ................................................................................ 152 Naming ....

............................................................................. 24 Inheriting the starter parent ............................................................................... 24 Using ConfigurableWebBindingInitializer ...................................................................... 83 Template engines ....................................................................................... ................................................................... 152 43.4. Creating your own starter ................................................................................ 152 Naming ....

............................................................................. 24 Inheriting the starter parent ............................................................................... 24 Using ConfigurableWebBindingInitializer ...................................................................... 83 Template engines ....................................................................................... ................................................................... 152 43.4. Creating your own starter ................................................................................ 152 Naming ....

............................................................................. 24 Inheriting the starter parent ............................................................................... 24 Using ConfigurableWebBindingInitializer ...................................................................... 82 Template engines ....................................................................................... ................................................................... 152 43.4. Creating your own starter ................................................................................ 152 Naming ....

............................................................................. 24 Inheriting the starter parent ............................................................................... 25 Using ConfigurableWebBindingInitializer ...................................................................... 81 Template engines ....................................................................................... ................................................................... 151 43.4. Creating your own starter ................................................................................ 151 Naming ....