Lisp debuted powerful features (GC, lexical scope, closures, destructuring, reflection) back when they were still wildly expensive. Over the decades most of the

Lisp debuted powerful features (GC, lexical scope, closures, destructuring, reflection) back when they were still wildly expensive. Over the decades most of these filtered into everything we use. But I still haven’t seen any rivals for its convenience in providing domain-specific languages via macros.