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Compiler writers aren’t that far behind? C++17 is mostly supported. C++20 is one year old!

• SubjectToChange 5y ago
  "C++20 is one year old!" The ISO standard was published in December of last year. So, technically, C++20 is only four months old.
• seoaeu 5y ago
  > C++17 is mostly supported. For essentially any other language this would be an absurd thing to say. For those languages you wouldn't consider a feature added until it was supported by the reference compiler
  • SubjectToChange 5y ago
    If you are using GCC, Clang, or MSVC then the standards support is excellent[1]. But putting that aside > For those languages you wouldn't consider a feature added until it was supported by the reference compiler Well, there is no reference compiler for C++. I don't think any language with either an ISO or ECMA standard has a reference compiler or interpreter. There are gaps in support here in and there. But I would still say those mainstream compilers "support" C++17 for the same reason I would say that Chrome "supports" CSS3, despite it not implementing the full specification. [1] https://en.cppreference.com/w/cpp/compiler_support https://en.cppreference.com/w/cpp/compiler_support
  • pjmlp 5y ago
    Only for languages that lack multiple implementations.