I totally agree with you. I wish we had a built-in immutable array type and a built-in immutable object type. I love the way it's done in Python, where you have

I totally agree with you. I wish we had a built-in immutable array type and a built-in immutable object type. I love the way it's done in Python, where you have Lists vs Tuples and Class Objects vs NamedTuples. You can consume them the same way: my_list = [1,2,3] # mutable my_tuple = (1,2,3) # immutable my_clsobj = myclass(foo=1, bar=2) # mutable my_namedt = mynamedt(foo=1, bar=2) # immutable my_list[0] # 1 my_tuple[0] # 1 my_clsobj.foo # 1 my_namedt.foo # 1