While normal Julia syntax is indeed arguably not quite homoiconic in the same way that Lisp s-expressions are (a good discussion of the issue by Stefan Karpinski here: [1]), it turns out there is a little-known built-in s-expression syntax for Julia (which can be more-or-less enabled as a REPL mode in only a handful of lines [2]).

[1] https://stackoverflow.com/questions/31733766/in-what-sense-a...

[2] https://gist.github.com/brenhinkeller/44051118c2f9d18b26dc76...