HN Hall of Fame Weekly email

F (2006)

www.nsl.com Reference Documentation & references Software engineering Candidate
Screenshot of www.nsl.com captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2015–2024
peak thread · 56 comments
175 pts
latest 20+ return · 2024-06-19
145 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

In a somewhat similar vein, I made a concatenative array language inspired by kdb+/q: https://cryptm.org/xs/ Unlike other concatenative languages, the order of operation is right to left, and it supports infix operators. This gives the language a very conventional array language feel, while also giving you the power and flexibility of the stack. As far as I'm aware, there's really nothing like it. Would love if someone gave it a try! Here's an example, the factorial function: xs> fac:(prod 1+til)…

smabie·175-point thread·

> All primitives are denoted by single symbols Take an axe to the troubleshoot-ability of your language with this one weird trick that makes it impossible to google.

Implemented in K! And not very much code either. Certainly shorter than some other language definitions I've read: http://www.nsl.com/k/f/f.k

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
349

reference only — not used in Hall rules or ranking

Total comments
79

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2015-12-22F – a pure functional concatenative language (2006)networked297
2020-08-21F (2006)First breakout · Best threadtosh17556
2024-06-19F (2006)Latest 20+ point returnhwayne14516