Meeting 8 November 2018

Pre-San Diego Papers

• Bartek’s Coding Blog: Five Awesome C++ Papers for San Diego
  • constexpr std::string and constexpr std::vector
  • Extended structured bindings
  • Pattern matching
  • Text formatting
  • A concurrent associative data structure with an unsynchronised view, slides
• JeanHeyd Meneide: Simple, Easy Papers
  • Nested inline namespaces
  • nodiscard should have a reason
  • void main – Hmmm… don’t think so
  • Byteswapping for fun&&nuf
  • offsetof for the Modern Era
  • namespace std { namespace fs = filesystem; } – Meh
  • Literal Suffixes for size_t and ptrdiff_t
• Reddit
• JeanHeyd Meneide: Optional Choices to Make
  • Monadic operations for std::optional
  • A simple, practical optional reference for C++
    • “The good news is that this paper lets the C++ Committee continue to wage the holy war about how comparison and assignment for such a type should work while providing a way forward for not only std::optional<T&>, but variant<T&, ...> and std::expected<T&>.”
  • Jonathan Boccara: Why Optional References Didn’t Make It In C++17
    • Reddit
• Reddit
• JeanHeyd Meneide: Paper Review II
  • Feature Presentation
  • Forward from initializer_list
  • A view of 0 or 1 elements: view::maybe
  • Proposing unless
  • Immediate functions
• Reddit

The simplest papers are often the worst for bikeshedding. – Niall Douglas

• Implicit constexpr
• Package Specification, Notes on C++ Package Management, Package Ecosystem Plan
• Canonical Project Structure
  • “If you have to disregard every rule and recommendation in these guidelines but one, for example, because you are working on an existing library, then insist on this: public header inclusions must use the library name as a directory prefix.”
• find_backward
• flat_map and flat_set
• char8_t: A type for UTF-8 characters and strings

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