less_retarded_wiki/comun.md

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# Comun
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Comun is a [beautiful](beauty.md), greatly [minimalist](minimalism.md) [programming language](programming_language.md) made by [drummyfish](drummyfish.md), based on his ideals of good, [selfless](selflessness.md) [technology](technology.md) known as *[less retarded software](lrs.md)* (LRS), of which it is now considered the official programming language, though still a greatly work in progress one. In the future it should gradually replace [C](c.md) as the preferred LRS language, however let's keep in mind the language is still highly experimental and work in progress, it may yet change more or less. The language has been inspired mainly by [Forth](forth.md) but also [C](c.md), [brainfuck](brainfuck.md) and other ones. Though already usable, it is still in quite early stages of development; currently there is a [suckless](suckless.md) implementation of comun in [C](c.md) and a number of supplemental materials such as a specification, tutorial and some example programs. The project repository is currently at https://codeberg.org/drummyfish/comun. The aim now is to make a [self hosted](self_hosting.md) implementation, i.e. write comun in comun. Though very young, **comun is probably already the best programming language ever conceived** :-)
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{ NOTE: I found a language on esolang wiki called *Minim* that looks a bit similar to comun, however it looks a bit sucky. Anyway it should be researched more. ~drummyfish }
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The language is intended to be the foundation of a completely new, non-[capitalist](capitalism.md) computer technology built from the ground up, which should culminate in the creation of the LRS much desired [public domain computer](public_domain_computer.md). This technology is derived from the model of an [ideal society](less_retarded_society.md) and as such will aim for completely different goals (such as helping all living beings as much as possible without enslaving them) and values; this makes comun astronomically different in philosophy and design of the shitty, toxic capitalist joke languages such as [C++](cpp.md) and [Rust](rust.md) which pursue fascism, enslavement of humans to the [productivity cult](productivity_cult.md) etc.
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Comun is planned to closely interact with [comun shell](comun_shell.md), though the two parts will be completely independent.
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**A quick sum up** is following: comun is **[minimalist](minimalism.md)**, **[low level](low_level.md)** with minimum [abstraction](abstraction.md), **[portable](portability.md)**, **[imperative](imperative.md)** and **[stack](stack.md)-based**, using **reverse Polish notation**. It can be **both [compiled](compiler.md) and [interpreted](interpreter.md)**. There are **only primitive integer [data types](data_type.md)** (native integer size by default with possibility to specify exact width where necessary, signed/unsigned interpretation is left to the programmer) and **optional [pointers](pointer.md)** that can be used as variables, for managing multiple stacks, creating [arrays](array.md) etc. Its **specification can fit on a sheet of paper** and is **completely [public domain](public_domain.md)** under [CC0](cc0.md) (as is its current implementation). It has **no [standard library](stdlib.md)**. There are **no [English](english.md) keywords**; commands are rather very short (mostly 1 to three symbols) math-like symbols. Source code only allows [ASCII](ascii.md) symbols (no [unicode](unicode.md)). There is an **optional [preprocessor](preprocessor.md) that uses comun itself** (i.e. it doesn't use any extra language). **[Functions](function.md) and [recursion](recursion.md)** are supported. Many features of the language are optional and never burden the programmer if he doesn't use them. Simplified versions of the language (minicomun and microcomun) are also specified.
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## Examples
Here is a very short showcase of comun code, demonstrating some common functions:
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```
max: <' ? >< . ^ . # takes maximum of two values
max3: max max . # takes maximum of three values
# recursive factorial
factR:
?'
$0 -- factR *
;
^ 1
.
.
# iterative factorial
factI:
$0 --
@'
>< $1 * ><
--
.
^
.
```
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The following is a [quine](quine.md) in comun:
```
0 46 32 34 S 34 32 58 83 S --> S: "0 46 32 34 S 34 32 58 83 S --> " .
```
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The following code translates [brainfuck](brainfuck.md) to comun (proving comun really is [Turing complete](turing_complete.md)):
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```
0 "$>0 " -->
@@
<? ?
<-
$0 "+" = $1 "-" = | ?
$0 -> $0 -> " " ->
.
$0 "<" = $1 ">" = | ?
"$" -> $0 -> "0" -> " " ->
.
$0 "." = ?
0 "->' " -->
.
$0 "," = ?
0 "$<0 <- " -->
.
$0 91 = ? # left bracket
0 "@' " -->
.
$0 93 = ? # right bracker
0 ". " -->
.
^
;
!@
.
.
```
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TODO: more, code examples, compare the above with C, ...
## See Also
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- [comun shell](comun_shell.md)
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- [MIX](mix.md)
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- [uxn](uxn.md)
- [minim](minim.md)