u64 allocation_size = sizeof({ArrayType}) + item_size * capacity;
  {ArrayType} *array   = NULL;

  if (!allocator) {{
    goto RETURN_GENERIC_ARRAY_ALLOC;
  }}

  array = wapp_mem_allocator_alloc(allocator, allocation_size);
  if (!array) {{
    goto RETURN_GENERIC_ARRAY_ALLOC;
  }}

  array->items     = ({T} *)((u8 *)array + sizeof({ArrayType}));
  array->count     = 0;
  array->capacity  = capacity;
  array->item_size = item_size;

RETURN_GENERIC_ARRAY_ALLOC:
  return array;