arr.h

struct arr : obj
{
  arr(id *input)
  {
    size_t s = sizeof(input) - 1;
    this->substrate_object = [NSArray arrayWithObjects:input count:s];
  }
  
  arr(NSArray *input) : obj::obj(input) {}
  
  id operator[](int index)
  {
    return [this->substrate_object objectAtIndex:index];
  }
  
  id operator[](NSRange r)
  {
    id is = [NSIndexSet indexSetWithIndexesInRange:r];
    return [this->substrate_object objectsAtIndexes:is];
  }
  
  id operator id()
  {
    return this->substrate_object;
  }
};

arr_example.mm

id a = [NSArray arrayWithObjects:@"a",@"b",@"c",nil];
arr b = a;
arr c = (id[]){@"a",@"b",@"c"};

NSLog(@"%@ == %@ == %@ == %@",
      [a objectAtIndex:0],
      [b objectAtIndex:0],
      [c objectAtIndex:0],
      b[0],
      c[0]);
// => a == a == a== a

dict.h

struct dict : obj
{
  dict(NSDictionary *input) : obj::obj(input) {}
  
  dict::dict(id *input)
  {
    size_t s = sizeof(input) - 1;
    NSMutableDictionary *buffer = [NSMutableDictionary dictionaryWithCapacity:s/2];
    
    for (int i = 0; i < s; i = i+2)
    {
      id key = input[i];
      id values = input[i+1];
      
      [buffer setObject:value forKey:key];
    }
    
    this->substrate_object = [[buffer copy] autorelease];
  }
  
  id dict::operator[](id key)
  {
    return [this->substrate_object objectForKey:key];
  }
  
  dict::operator id()
  {
    return this->substrate_object;
  }
};

dict_example.mm

dict d = (id[]){
  @"aKey",@"myValue",
  @"awesome",@"puppies",
  @"omg",@"z"
};

NSLog(@"%@ == %@",
      d[@"awesome"],
      [d objectForKey:@"awesome"]);
// => puppies == puppies

obj.h

struct obj
{
  obj(id substrate)
  {
    this->substrate_object = substrate;
  }

  operator id()
  {
    return this->substrate_object;
  }

  protected:
  obj() { }
  id substrate_object;
};