On Wednesday, May 20, 2015 at 9:54:57 AM UTC+5:30, Marko Rauhamaa wrote: > Ben Finney : > > > Right. So the box with an arrow coming out of it is a good metaphor for > > pointers -- *in languages that have pointers*, which Python does not. > > > > A box with an arrow coming out of it is a poor metaphor for Python's > > references, since a Python reference doesn't contain anything accessible > > to the programmer. > > Lisp doesn't have pointers. However: > > <URL: http://upload.wikimedia.org/wikipedia/commons/1/1b/Cons-cells.svg> > > <URL: http://cs.gmu.edu/~sean/lisp/cons/> > > <URL: http://www.csee.umbc.edu/courses/331/fall11/notes/scheme/scheme2.ppt> >
And what about Java? http://stackoverflow.com/questions/166033/value-semantics-and-pointer-semantics -- https://mail.python.org/mailman/listinfo/python-list
