fyi: the famous memo problem (generic memoization wrapper) is RETIRED per jane streets own blog from feb 28 2017. dont memorize it. still the best public example of their STYLE though. read the blog post for vibe. do NOT expect this exact q in a real loop in 2026

JS 'memo' question - RETIRED

fyi: the famous 'memo' problem (generic memoization wrapper) is RETIRED per jane street's own blog from feb 28 2017.