Lisp interpreter in 90 lines of C++

I've enjoyed reading Peter Norvig's recent articles on Lisp. He implements a Scheme interpreter in 90 lines of Python in the first, and develops it further in the second. Just for fun I wondered if I could write one in C++. My goals would be 1. A Lisp interpreter that would complete Peter's Lis.py test cases correctly... 2. ...in no more than 90 lines of C++. Although I've been thinking about this

[s_ryuuki]

90行でLisp