Variant

• cppreference.com

  • C++ reference
    • Utility library
      • std::variant

• Boost Library Documentation

  • Variant
  • Variant2

• Qt 6

  • Qt Core 6
    • Qt Core C++ Classes
      • QVariant Class

• Embarcadero Cross-Platform App Development Software

  • Embarcadero/IDERA Documentation Wiki
    • RAD Studio API Documentation
      • The Run-Time Library (RTL)
        • System unit
          • System.Variant
            • Methods
      • Unit List
        • Data
          • Data.DB
            • Data.DB.TField