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Re:ICFP '09: "Get rid of cons!" Guy Steele on parallel algor... by gruseom on Thursday September 10, 2009 @11:21PM (#816761)
It's a tree in the sense that a list is a tree.
Re:ICFP '09: "Get rid of cons!" Guy Steele on parallel algor... by herdrick on Friday September 11, 2009 @01:25PM (#817719)
No, it's really a tree structure. In fact lisp code is much like the abstract syntax tree that you get when you parse other languages.