Forþ

Forþ

Paradigm(s)	Imperative, Functional
Designed by	User:jan Gamecuber
Appeared in	2022
Memory system	Stack
Computational class	Unknown
Reference implementation	C++ interpreter
Influenced by	Forth
File extension(s)

Forþ is a stack based language.

Commands

Name	Function
0-F	Add that number to stack.
:	Duplicate top.
+-*/%	Do the obvious operation (top goes on right).
~	Bitwise not the top
.	Output the top as unicode.
,	Take string input and store it's unicode values in the top (right goes on top).
()	If the top is not 0
[]	While the top is not 0
{}	Store a function in the number atop the stack.
;	Call the function stored by the stack.
o	Reverse the stack.
c	Rotate the top 3 elements.
v	Swap the top 2 elements.

Examples

Cat program

1{,0o[.]1+}[;]

Hello, world!

0F2*3+F6*A+F7*3+F7*9+F7*6+F7*E+F2*2+F2*E+F7*6+F7*3+F7*3+F6*B+F4*C+[.]

Implementations

A C++ interpreter by User:Bangyen.