Meet CFR []: Five commands and endless possibilities in the art of drawing

[Carding 4 Carders]

Syusam Pal introduced the minimalistic CFR language [].

Developer Susam Pal presented his new project-a minimalistic drawing language CFR [].

The language consists of only five commands:

1. C (Change color) - change the color,
2. F (Move forward) - move forward by one cell (pixel),
3. R (Rotate right) - rotate clockwise by 45°,
4. [(Begin repeatable block) - the beginning of the block,
5. ] (Repeat current block) - returns to the beginning of the current repeated block, repeats it again, and ends the block. Thus, a block bounded by the characters ' ['and '] ' behaves like a loop that runs twice before exiting.

CFR [] is inspired by the educational programming language Logo and the esoteric programming language P." From Logo, CFR [] inherited a virtual pen that moves across the graphic canvas and leaves traces behind it. But from P" he inherited his small and limited set of commands.

The current stable version of the CFR [] implementation is available at the following links:

• susam.net/cfr.html
• susam.github.io/cfr.html

The source code is open and already available on GitHub - https://github.com/susam/cfr