neko/k

neko/k is an(other) implementation of the K programming language.

it covers a subset of K6 dialect.

neko/k is currently maintained by mitchell.
send issues/patches to root@nekoarch.cc

+ thanks to:
- arthur whitney for creating k language
- tttiw for inspiring this project
- shaktidb for their great web design (k/nyi)

requirement: a decent C compiler
no license, use at your own risk (and pleasure).

$ git clone git@github.com:nekoarch/k.git
$ cd k && ./make  
$ ./k z.k

done.

neko/k 2025/10/15

: assign f[1;2] funcall /comment
Verb      (monad)          Adverb
+ +        flip            f' each   \: eachleft /: eachright
- -        negation     [x]f/ over   c/ join     i/ decode
* *        first        [y]f\ scan   c\ split    i\ encode
% div      sqrt
& where    min/and        i/o                    System
| reverse  max/or        ^0: r/w line            \     man
< asc      less          ^1: r/w file            \v    var
> desc     more          ^2: r/w csv             \t[n] time
= group    equal                                 \\    exit
~ match    not            cf
! key      enum           $[b;t;f] cond
, concat   enlist
^ ^cut     sort           class                 Type
# take     count          list (1;2.3;"c")      char " ab"
_ drop     floor         ^dict [`a:1;`b:2]      int  2 3 3e9
? ^find   ^uniq           func f:{[a;b]a+b}     flt  2 3.4 4.
@ ^at     ^type           expr x:a+b            sym  `a`b`c

exp log rand sin cos abs

some other projects:

- k.edu modified by kparc
- ngn/k
- charles hall's gk