sb

sb is a stack-based language.

Commands

Command	Description
[int]	push [int]
+	pop a, pop b, push b+a
-	pop a, pop b, push b-a
*	pop a, pop b, push b*a
/	pop a, pop b, push b/a
_	pop a, push -a
%	pop a, pop b, push b%a
"[str]"	push [str]
'[chr]	push [chr]
;	pop a, eval a
:	pop a, push a, push a
\	pop a
~	pop a, pop b, push a, push b
?	pop a, pop b, pop c, push c?b:a
=	pop a, pop b, push b==a (0/1)
<	pop a, pop b, push b<a (0/1)
!	pop a, push !a (0/1)
&	pop a, pop b, push b+a (String)
&	pop a, pop b, push b,a (array)
{	while
}	end
@	pop a, pop b, push b[a]
.	push []
,	pop a, push a.length
(	pop a, pop b, set b-th memory to a
)	pop a, push a-th memory value
$	read input line

Examples

• Hello, world!

"Hello, world!"

• Factorial

1$;{:0(*0)1-}

• Echo

$