if constexpr()

in src/backend/pagemap.h [247:265]

• 17 lines of code
• 5 McCabe index (conditional complexity)

      if constexpr (has_bounds)
      {
        if (p - base > size)
        {
          if constexpr (potentially_out_of_range)
          {
            return default_value;
          }
          else
          {
            // Out of range null should
            // still return the default value.
            if (p == 0)
              return default_value;
            PAL::error("Internal error: Pagemap read access out of range.");
          }
        }
        p = p - base;
      }