Better way to say x == Foo::A || x == Foo::B || x == Foo::C || …?

Question

Let\'s say I have a bunch of well-known values, like this (but const char * is just an example, it could be more complicated):

const char *A = \"A\"         


        

Answer 1

If not switch, maybe something like this, I didn't use it, but may be a draft to something working?

template 
bool average(ReturnType expression, int count, ...)
{
  va_list ap;
  va_start(ap, count); //Requires the last fixed parameter (to get the address)
  for(int j=0; j