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

  if (!allocator) {{
    goto RETURN_{Tupper}_ARRAY_ALLOC;
  }}

  array = wapp_mem_allocator_alloc(allocator, allocation_size);
  if (!array) {{
    goto RETURN_{Tupper}_ARRAY_ALLOC;
  }}

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

RETURN_{Tupper}_ARRAY_ALLOC:
  return array;