3d_array.ino

//see http://arduino.land/FAQ/content/6/32/en/passing-arrays-to-functions.html#pass-multi-by-pointer

int arr_3Da[1][2][3] {
  {
    {1, 2, 3},
    {4, 5, 6}
  }
};

int arr_3Db[2][2][3] {
  {
    {1, 2, 3},
    {4, 5, 6},
  },
  {
    {1, 2, 3},
    {4, 5, 6},
  }
};

void setup() {
  Serial.begin(115200);
  
  Serial.println(sizeof(arr_3Da));
  passme_3D(arr_3Da);
  //but following will throw error
  //passme_3D(arr_3Db);

}

void passme_3D(int (&seq)[1][2][3]) {
  Serial.println(sizeof(seq));
}

void loop() {

}

/*
 // "magic" of tamplates
template< typename T, size_t N >
void Func( T (&array)[N] ) {
  //code here
}
template< typename T, size_t N, size_t X >
void Func( T (&array)[N][X] ) {
  //Code here
}
template< typename T, size_t N, size_t X, size_t Y >
void Func( T (&array)[N][X][Y] ) {
  //Code here
}
*/