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conclusion.md

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Topics Lessons
all_pairs_view
  • Views are tricky to write but easy to use.
  • C++20 isn’t quite ready for custom views.
  • range-v3 may help until closures are fixed.
vector<bool>, proxy iterators
  • Proxies are unintuitive, but valid in C++20.
  • Create a new world of novel iterator types.
  • Keep them in mind in your generic code.
iter_swap, iter_move
  • Customization points are powerful.
  • Easy to use and (usually) easy to customize.
  • Prefer std::ranges algorithms.
Thank you.
Moving to online Q&A.