Ah yes, the old insight. Fred Brooks: "Show me your [code] and conceal your [data structures], and I shall continue to be mystified. Show me your [data structures], and I won't usually need your [code]; it'll be obvious."
Yes, and here's one by Rob Pike, "Data dominates. If you've chosen the right data structures and organized things well, the algorithms will almost always be selfÂevident. Data structures, not algorithms, are central to programming." --- https://www.lysator.liu.se/c/pikestyle.html
