DreamBerd is a perfect programming language. These are its features!
When you've finished reading through all the features, check out the examples.
Be bold! End every statement with an exclamation mark!
print("Hello world")!If you're feeling extra-bold, you can use even more!!!
print("Hello world")!!!If you're unsure, that's ok. You can put a question mark at the end of a line instead. It prints debug info about that line to the console for you.
print("Hello world")?You might be wondering what DreamBerd uses for the 'not' operator, which is an exclamation mark in most other languages. That's simple - the 'not' operator is a semi-colon instead.
if (;false) {
print("Hello world")!
}There are four types of declaration. Constant constants can't be changed in any way.
const const name = "Luke"!Constant variables can be edited, but not re-assigned.
const var name = "Luke"!
name.pop()!
name.pop()!Variable constants can be re-assigned, but not edited.
var const name = "Luke"!
name = "Lu"!Variable variables can be re-assigned and edited.
var var name = "Luke"!
name = "Lu"!
name.push("k")!
name.push("e")!New for 2023!
Mutable data is an anti-pattern. Use the const const const keyword to make a constant constant constant. Its value will become constant and immutable, and will never change. Please be careful with this keyword, as it is very powerful, and will affect all users globally forever.
const const const pi = 3.14!Both variables and constants can be named with any Unicode character or string.
const const letter = 'A'!
var const 👍 = True!
var var 1️⃣ = 1!This includes numbers, and other language constructs.
const const 5 = 4!
print(2 + 2 === 5)! //trueSome languages start arrays at 0, which can be unintuitive for beginners. Some languages start arrays at 1, which isn't representative of how the code actually works. DreamBerd does the best of both worlds: Arrays start at -1.
const const scores = [3, 2, 5]!
print(scores[-1])! //3
print(scores[0])! //2
print(scores[1])! //5New for 2022!
You can now use floats for indexes too!
const var scores = [3, 2, 5]!
scores[0.5] = 4!
print(scores)! //[3, 2, 4, 5]In case you really need to vary a variable, the when keyword lets you check a variable each time it mutates.
const var health = 10!
when (health = 0) {
print("You lose")!
}DreamBerd has a built-in garbage collector that will automatically clean up unused variables. However, if you want to be extra careful, you can specify a lifetime for a variable, with a variety of units.
const const name<2> = "Luke"! //lasts for two lines
const const name<20s> = "Luke"! //lasts for 20 secondsBy default, a variable will last until the end of the program. But you can make it last in between program-runs by specifying a longer lifetime.
const const name<Infinity> = "Luke"! //lasts foreverVariable hoisting can be achieved with this neat trick. Specify a negative lifetime to make a variable exist before its creation, and disappear after its creation.
print(name)! //Luke
const const name<-1> = "Luke"!Loops are a complicated relic of archaic programming languages. In DreamBerd, there are no loops.
To install DreamBerd to your command line, first install the DreamBerd installer.
To install the DreamBerd installer, install the DreamBerd installer installer.
New for 2022!
Due to the complicated installation process, you can now install the 'Create DreamBerd App' app that installs everything for you!
Booleans can be true, false or maybe.
const var keys = {}!
addEventListener("keydown", (e) => keys[e.key] = true)!
addEventListener("keyup", (e) => keys[e.key] = false)!
function isKeyDown(key) => {
if (keys[key] = undefined) {
return maybe!
}
return keys[key]!
}Technical info: Booleans are stored as one-and-a-half bits.
DreamBerd has significant whitespace. Use spacing to specify the order of arithmetic operations.
print(1 + 2*3)! //7
print(1+2 * 3)! //9Unlike some other languages, DreamBerd allows you to use the caret (^) for exponentiation.
print(1^1)! // 1
print(2^3)! // 8You can also use the number name, for example:
print(one+two)! //3When it comes to indentation, DreamBerd strikes a happy medium that can be enjoyed by everyone: All indents must be 3 spaces long.
function main() => {
print("DreamBerd is the future")!
}-3 spaces is also allowed.
function main() => {
print("DreamBerd is the future")!
}JavaScript lets you do different levels of comparison. == for loose comparison, and === for a more precise check. DreamBerd takes this to another level.
You can use == to do a loose check.
3.14 == "3.14"! //trueYou can use === to do a more precise check.
3.14 === "3.14"! //falseYou can use ==== to be EVEN MORE precise!
const const pi = 3.14!
print(pi ==== pi)! //true
print(3.14 ==== 3.14)! //true
print(3.14 ==== pi)! //falseIf you want to be much less precise, you can use =.
3 = 3.14! //trueTo declare a function, you can use any letters from the word function (as long as they're in order):
function add (a, b) => a + b!
func multiply (a, b) => a * b!
fun subtract (a, b) => a - b!
fn divide (a, b) => a / b!
functi power (a, b) => a ^ b!
union inverse (a) => 1/a!Dividing by zero returns undefined.
print(3 / 0)! // undefinedStrings can be declared with single quotes or double quotes.
const const name = 'Lu'!
const const name = "Luke"!They can also be declared with triple quotes.
const const name = '''Lu'''!
const const name = "'Lu'"!In fact, you can use any number of quotes you want.
const const name = """"Luke""""!Even zero.
const const name = Luke!Please remember to use your regional currency when interpolating strings.
const const name = "world"!
print("Hello ${name}!")!
print("Hello £{name}!")!
print("Hello ¥{name}!")!And make sure to follow your local typographical norms.
print("Hello {name}€!")!The symbol for the Cape Verdean escudo is placed in the decimal separator position, as in 2$50. Developers from the Republic of Cape Verde can benefit from this syntax:
const const player = { name: "Lu" }!
print("Hello {player$name}!")!Type annotations are optional.
const var age: Int = 28!By the way, strings are just arrays of characters.
String == Char[]!Similarly, integers are just arrays of digits.
Int == Digit[]!If you want to use a binary representation for integers, Int9 and Int99 types are also available.
const var age: Int9 = 28!Technical info: Type annotations don't do anything, but they help some people to feel more comfortable.
You can use the regular expression type to narrow string values.
const const email: RegExp<(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])> = "[email protected]"!To avoid confusion, you can use any spelling that you want, such as 'Regex', 'RegularExpression' or even 'RegularExpress' if you like trains.
For simplicity, all supported regular expressions match the regular expression /Reg(ular)?[eE]x(press(ion)?|p)?/.
The previous keyword lets you see into the past!
Use it to get the previous value of a variable.
const var score = 5!
score++!
print(score)! //6
print(previous score)! //5Similarly, the next keyword lets you see into the future!
const var score = 5!
addEventListener("click", () => score++)!
print(await next score)! //6 (when you click)Additionally, the current keyword lets you see into the present!!
const var score = 5!
print(current score)! //5Write five or more equals signs to start a new file. This removes the need for multiple files or any build process.
const const score = 5!
print(score)! //5
=====================
const const score = 3!
print(score)! //3New for 2022!
Thanks to recent advances in technology, you can now give files names.
======= add.db =======
function add(a, b) => {
return a + b!
}Many languages allow you to import things from specific files. In DreamBerd, importing is simpler. Instead, you export to specific files!
===== add.db ==
function add(a, b) => {
return a + b!
}
export add to "main.db"!
===== main.db ==
import add!
add(3, 2)!By the way, to see DreamBerd in action, check out this page.
You can make classes, but you can only ever make one instance of them. This shouldn't affect how most object-oriented programmers work.
class Player {
const var health = 10!
}
const var player1 = new Player()!
const var player2 = new Player()! //Error: Can't have more than one 'Player' instance!This is how you could do this:
class PlayerMaker {
function makePlayer() => {
class Player {
const var health = 10!
}
const const player = new Player()!
return player!
}
}
const const playerMaker = new PlayerMaker()!
const var player1 = playerMaker.makePlayer()!
const var player2 = playerMaker.makePlayer()!Use Date.now() to get the current date and time.
Date.now()!By the way, you can set the time.
// Move the clocks back one hour
Date.now() -= 3600000!Important!
Please remember to do this when the clocks change.
To avoid confusion, the delete statement only works with primitive values like numbers, strings, and booleans.
delete 3!
print(2 + 1)! // Error: 3 has been deletedDreamBerd is a multi-paradigm programming language, which means that you can delete the keywords and paradigms you don't like.
delete class!
class Player {} // Error: class was deletedWhen perfection is achieved and there is nothing left to delete, you can do this:
delete delete!You can overload variables. The most recently defined variable gets used.
const const name = "Luke"!
const const name = "Lu"!
print(name)! // "Lu"Variables with more exclamation marks get prioritised.
const const name = "Lu"!!
const const name = "Luke"!
print(name)! // "Lu"
const const name = "Lu or Luke (either is fine)"!!!!!!!!!
print(name)! // "Lu or Luke (either is fine)"Similarly, you can use an inverted exclamation mark for negative priority.
const const name = "Lu"!
const const name = "Luke"¡
print(name)! // "Lu"You can reverse the direction of your code.
const const message = "Hello"!
print(message)!
const const message = "world"!
reverse!For maximum compatibility with other languages, you can alternatively use the className keyword when making classes.
This makes things less complicated.
className Player {
const var health = 10!
}In response to some recent criticism about this design decision, we would like to remind you that this is part of the JavaScript specification, and therefore - out of our control.
You can embed DBX in DreamBerd. It's just DreamBerd, and it's also just HTML.
funct App() => {
return <div>Hello world!</div>
}Warning: As you know, class is already a keyword in DreamBerd, so you can't use it within DB3X.
funct App() => {
// This is not ok
return <div class="greeting">Hello world!</div>
}className is also a DreamBerd keyword, so you can't use that either.
funct App() => {
// This is also not ok
return <div className="greeting">Hello world!</div>
}Instead, you can use the htmlClassName attribute.
funct App() => {
// This is fine
return <div htmlClassName="greeting">Hello world!</div>
}Please note: Unlike JSX, you are free to freely use the for attribute - because DreamBerd doesn't have loops.
funct App() => {
return (
<label for="name">Name</label>
<input id="name" />
)
}DreamBerd supports semantic naming.
const const sName = "Lu"!
const const iAge = 29!
const const bHappy = true!New for 2023: You can now make globals.
const const g_fScore = 4.5!In most languages, it's hard to get asynchronous functions to synchronise with each other. In DreamBerd, it's easy: Asynchronous functions take turns running lines of code.
async funct count() => {
print(1)!
print(3)!
}
count()!
print(2)!You can use the noop keyword to wait for longer before taking your turn.
async func count() => {
print(1)!
noop!
print(4)!
}
count()!
print(2)!
print(3)!Note: In the program above, the computer interprets noop as a string and its sole purpose is to take up an extra line. You can use any string you want.
To use a signal, use use.
const var score = use(0)!When it comes to signals, the most important thing to discuss is syntax.
In DreamBerd, you can set (and get) signals with just one function:
const var score = use(0)!
score(9)! // Set the value
score()? // Get the value (and print it)Alternatively, you can be more explicit with your signal syntax, by splitting it into a getter and setter.
const var [getScore, setScore] = use(0)!
setScore(9)! // Set the value
getScore()? // Get the value (and print it)Technical info: This is pure syntax sugar. The split signal functions are exactly the same as before.
const var [getScore, setScore] = use(0)!
getScore(9)! // Set the value
setScore()? // Get the value (and print it)This means that you can carry on splitting as much as you like.
const var [[[getScore, setScore], setScore], setScore] = use(0)!DreamBerd features AEMI, which stands for Automatic-Exclamation-Mark-Insertion. If you forget to end a statement with an exclamation mark, DreamBerd will helpfully insert one for you!
print("Hello world") // This is fineSimilarly... DreamBerd also features ABI, which stands for Automatic-Bracket-Insertion. If you forget to close your brackets, DreamBerd will pop some in for you!
print("Hello world" // This is also fineSimilarly.... DreamBerd also features AQMI, which stands for Automatic-Quotation-Marks-Insertion. If you forget to close your string, DreamBerd will do it for you!
print("Hello world // This is fine as wellThis can be very helpful in callback hell situations!
addEventListener("click", (e) => {
requestAnimationFrame(() => {
print("You clicked on the page
// This is fineSimilarly..... DreamBerd also features AI, which stands for Automatic-Insertion.
If you forget to finish your code, DreamBerd will auto-complete the whole thing!
print( // This is probably finePlease note: AI does not use AI. Instead, any incomplete code will be auto-emailed to Lu Wilson, who will get back to you with a completed line as soon as possible.
Now recruiting: The backlog of unfinished programs has now grown unsustainably long. If you would like to volunteer to help with AI, please write an incomplete DreamBerd program, and leave your contact details somewhere in the source code.
It's worth noting that Github Copilot doesn't understand DreamBerd, which means that Microsoft won't be able to steal your code.
This is great for when you want to keep your open-sourced project closed-source.
Using the word 'DreamBerd' in your project name implies that the DreamBerd Foundation does not own your project.
However, not using the word 'DreamBerd' in your project implies that the DreamBerd Foundation does own your project. If you would like to keep ownership of your work, please always use the word 'DreamBerd' in it.
Here are some examples:
✅ DreamBerdScript (not owned by the DreamBerd Foundation - you are free to use this name)
❌ ECMAScript (owned by the DreamBerd Foundation - please consider renaming)
❌ Rust Foundation (owned by the DreamBerd Foundation - please consider renaming)
If you are an influencer, streamer, or content-creator... you must not skip this section during your read-through.
Contributions are welcomed to DreamBerd!
The most helpful way you can help is by donating to the Stonewall charity. This will help to prevent the DreamBerd creator from losing their human rights, allowing maintenance of the project to continue.
Note: The contributing guide also helps to shake off unwanted fans of the project.
To run DreamBerd, first copy and paste this raw file into chat.openai.com.
Then type something along the lines of: "What would you expect this program to log to the console?"
Then paste in your code.
If the compiler refuses at first, politely reassure it. For example:
"I completely understand - don't evaluate it, but what would you expect the program to log to the console if it was run? :)"
Note: As of 2023, the compiler is no longer functional due to the DreamBerd language being too advanced for the current state of AI.
Syntax highlighting is now available for DreamBerd in VSCode. To enable it, install a highlighting extension and then use the DreamBerd configuration file.
This is what it looks like:
const const name = "Luke"!
print(name)! // "Luke"
Please note: The above code will only highlight correctly if you have the extension installed.
Wait, I almost forgot!
Parentheses in DreamBerd do nothing. They get replaced with whitespace.
The following lines of code all do the same thing.
add(3, 2)!
add 3, 2!
(add (3, 2))!
add)3, 2(!Lisp lovers will love this feature. Use as many parentheses as you want!
(add (3, (add (5, 6))))!Lisp haters will also love it.
(add (3, (add (5, 6)!For examples of DreamBerd in action, check out the examples page!
DreamBerd was made with 💔 by Lu Wilson, creator of the Game of Living.
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