[GitHub] [arrow] bkietz commented on pull request #10691: ARROW-13296: [C++] Provide a reflection compatible enum replacement

[GitBox <gi...@apache.org>]

bkietz commented on pull request #10691:
URL: https://github.com/apache/arrow/pull/10691#issuecomment-877881536


   I recommend avoiding macros whenever possible, but for completeness I'll note that we could replace
   ```c++
   // color.h
   struct Color : EnumType<Color> {
     using EnumType::EnumType;
     static constexpr const char* kValues = R"(red green blue)";
   };
   // color.cc
   constexpr const char* Color::kValues;
   ```
   
   with
   ```c++
   ARROW_ENUM(Color, red green blue);
   ```


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