Forgive me for asking what's probably a simple question: what's HN coded in? Tha... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		couchand on March 22, 2014 \| parent \| context \| favorite \| on: Coming Soon to Hacker News: Pending Comments Forgive me for asking what's probably a simple question: what's HN coded in? That's pretty clearly a flavor of Lisp... what's the square bracket predicate syntax?

nokcha on March 22, 2014 | [–]

It's written in Arc.

Regarding the square bracket syntax:

    [... _ ...]  is an abbreviation for (fn (_) (... _ ...))

http://www.paulgraham.com/arc.html

http://en.wikipedia.org/wiki/Arc_%28programming_language%29

rbanffy on March 22, 2014 | | [–]

IIRC, it's written in Arc

http://arclanguage.org

jrlocke on March 22, 2014 | [–]

Arc

Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact