# Gets a `Char` at `index` in `self`
	#
	# WARNING: Use at your own risks as no bound-checking is done
	fun fetch_char_at(index: Int): Char do
		var i = char_to_byte_index(index)
		var items = _items
		var b = items[i]
		if b & 0x80 == 0x00 then return b.code_point
		return items.char_at(i)
	end