How can I avoid repeating myself when creating a C++ enum and a dependent data structure? [duplicate]

Answer 1

There is an old pre-processor trick for this:

Gadget.data

DEFINE_GADGET(First)
DEFINE_GADGET(Second)

Gadget.**

#define QUOTE_VAL(X)  #X

enum Gadget
{
#define DEFINE_GADGET(X)   X,
#include "Gadget.data"
#undef DEFINE_GADGET(X)
}; 

const char* gadget_debug_names[] = {
#define DEFINE_GADGET(X)   QUOTE_VAL(X),
#include "Gadget.data"
#undef DEFINE_GADGET(X)
};