> Might even be an advance over array programming in some ways, by being more flexible and opening up more forms of expression In what respect is it an advance

> Might even be an advance over array programming in some ways, by being more flexible and opening up more forms of expression In what respect is it an advance? It seems to me strictly less expressive. (Which is not meant as a denigration; this design seems well suited to the problems it is trying to solve.)