Comment by couchand

12 years ago

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?

3 comments

couchand

nokcha 12 years ago

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 12 years ago

IIRC, it's written in Arc

http://arclanguage.org

jrlocke 12 years ago

Arc