array_macros.hh

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#ifndef artg4tk_util_array_macros_hh
#define artg4tk_util_array_macros_hh

namespace {
  typedef unsigned char byte_t;

  template <int N>
  struct array_size_struct {
    byte_t c[N];
  };
}

template <typename T, int N>
array_size_struct<N> static_array_size_fn(T (&)[N]);

#define dimensionof(x) sizeof(static_array_size_fn(x).c)

#if !defined(ARRAYEND)

#define ARRAYEND(x) (x + dimensionof(x))
#else
#error ARRAYEND defined already!
#endif

#if !defined(ARRAYBEGIN)

#define ARRAYBEGIN(x) x
#else
#error ARRAYBEGIN defined already!
#endif

#endif /* artg4tk_util_array_macros_hh */