#Term rewriting system with javascript#

simple concatenative language based on rewriting inspired from CONCATENATIVE PROGRAMMING An Overlooked Paradigm in Functional Programming.pdf

##install & play##

npm install
bower install
grunt

##Examples## ###factorial###

0 fac => 1.
X fac => X X 1 - fac *.

5 fac
120

###fibonacci###

0 fib => 0.
1 fib => 1.
N fib => N 1 - fib N 2 - fib +.

10 fib
55

###ackermann###

Y 0 ack => Y 1 +.
0 X ack => 1 X 1 - ack.
Y X ack => Y 1 - X ack X 1 - ack.

3 3 ack
61

###sieve of eratosthenes###

[] next_primes => [].
[N T_] next_primes => N [T_] [N % 0 <>] filter next_primes cons.

2 10 [] range next_primes
[ 2 3 5 7 ]