Samau Is Coming Back...

Samau is a stack-based golfing language inspired by Burlesque, Joy and other languages.

Types

There are five types in Samau: integers, floats, characters, operators and lists. In integers and floats, the negative sign is _ instead of -. Characters are written with a single quote, e.g. 'A, '0. Operators are built-in functions. Lists are written inside square brackets. There is no string. Use lists of characters instead.

Input and Output

Samau is a purly functional language. There is no input or output. After evaluation, the top of the stack will be printed.

Truthy and Falsy

0, the space character (' ') and the empty list are falsy. Everything else are truthy.

Built-in Functions

Samau uses CP737 encoding for counting bytes, and UTF-8 in other cases (e.g., when you are actually writing a Samau program).

Char	CP737	Description
!	0x21	Discard the top of the stack
#	0x24	Length
$	0x24	Swap the top two items of the stack
&	0x24	And
%	0x25	Mod
(	0x28	-1
)	0x29	+1
*	0x2a	Times
+	0x2b	Plus
-	0x2d	Minus
.	0x2e	Concat
/	0x2f	Divide, always returns a float
:	0x3a	Cons
;	0x3b	Duplicate the top of the stack
<	0x3c	Less than
=	0x3d	Test if two items are the same
>	0x3e	Greater than
?	0x3f	Pop a, pop b, pop c, if c is truthy, then push b, else push a
@	0x40	Pop a, pop b, pop c, push b, push a, push c
N	0x4e	Push the list of all natural numbers
P	0x50	Push the list of all primes
^	0x5e	Power
_	0x5f	Take the oposite number
d	0x64	Pop a list a and an item b, execute a as a function, push b back
i	0x69	Pop a list a, execute a as a function
m	0x6d	Map
z	0x7a	ZipWith
`	`	0x7c
~	0x7c	Not
Α	0x80	Absolute value
π	0xa7	Prime-counting function
σ	0xa9	Divisor function
ν	0xac	N-th prime
φ	0xad	Totient function
÷	0xf6	Divide, always returns an integer

Usage

You need Haskell and Stack.

Compile Samau:

git clone https://github.com/AlephAlpha/Samau.git
cd Samau
stack setup
stack build

Run the REPL:

stack exec samau

Run the code from a file:

stack exec samau filename