Pixie (programming language)

Pixie

Paradigm	functional
Designed by	Timothy Baldridge
First appeared	2015 (2015)
Stable release	0.1 / April 2, 2015 (2015-04-02)
Platform	Cross-platform
License	LGPL
Filename extensions	.pxi
Website	github.com/pixie-lang/pixie
Influenced by
Clojure, Lisp (programming language)

Pixie is a lightweight Lisp suitable for both general use as well as shell scripting. The standard library is heavily inspired by Clojure as well as several other functional programming languages. It is written in RPython and relies on PyPy's GC and tracing JIT.

Pixie was inspired by Clojure but it is not a port, it has significant differences.

Features

• Immutable datastructures
• Protocols first implementation
• Transducers at-the-bottom
• Includes a tracing JIT
• Foreign function interface

Examples

;;  This code adds up to 10000 from 0 via calling a function that takes a variable number of arguments.
;;  That function then reduces over the argument list to add up all given arguments.

(defn add-fn [& args]
  (reduce -add 0 args))

(loop [x 0]
  (if (eq x 10000)
    x
    (recur (add-fn x 1))))

See also

• Hy

External links

• Pixie at Strange Loop 2015
• Embedding Pixie
• Pixie on the Raspberry Pi
• Emacs Pixie-mode
• Hackersome page on Pixie

• Timothy Balridge interview