Python doesn't trust users enough to let them monkeypatch primitives, but http://t.co/DUPSQdK1Pr restores this power.
miniblog.
Related Posts
Fun post on implementing a JIT for elisp, with a great introduction to calling conventions on elisp primitives: https://tromey.com/blog/?p=999
Firefox is shipping formally verified crypto primitives!
Defining a lisp with 6 primitives is neat, but it's not enough to be general purpose. No I/O. Are there minimalist PLs that are usable?