Callisto

Callisto is a concatenative, compiled programming language inspired by Forth

Its goal is to be easy to implement while being easy to use

Example programs

Hello world

include "cores/select.cal"
include "std/io.cal"

"Hello, world!\n" printstr

Tak function

include "cores/select.cal"
include "std/io.cal"

func tak cell x cell y cell z begin
	if y x < then
		x 1 - y z tak
		y 1 - z x tak
		z 1 - x y tak
		tak return
	else
		z return
	end
end

7 4 8 tak printdec 10 printch