miniblog.

Advice from one of the authors of Common Lisp on PL work: established languages tend to win in their domain. It really helps if you enjoy working in this space. (There is a ton of PL skill and insight in the smaller languages IME.) https://pldb.com/posts/scottFalhmanInterview.html

Interesting insight: variadic functions make infix operators less necessary. From

.@CoverallsApp can give useful insight on your code. Here I can see which code paths are executed on which Emacs version!