Archived tweet #12065 from the @leastfixedpoint Twitter Archive

@mjg59 Oof, yeah. This falls into the same trap Go did: "I've written lots of programs, I can probably intuit my way to a pretty decent PL design." But the bar is *pretty* high by now. The Hare spec is not quite at the level of the Algol 60 Report, and PL semantics has progressed since!