After discovering Haskell (lazily-evaluated functional) and Lisp (actually, Clojure), I'd have to say them. For anything close to the metal where pauses for gar

After discovering Haskell (lazily-evaluated functional) and Lisp (actually, Clojure), I'd have to say them. For anything close to the metal where pauses for garbage collects don't matter, Go. And of course HTML. (Tho I realize some people out there won't count as a PL non-Turing Complete languages like HTML and Groovy as used in virtually every Gradle build script out there.)