Functions

Functions in Radon can be defined in various ways. Check the built-in features page to see the list and usage of built-in features.

A simple function that prints Hello, world! to the chat:

fn myFunction {
  print("Hello, world!")
}

myFunction()

Functions can have arguments, which are forced to have types:

fn calcAdd(int a, int b) {
  return a + b
}

c = calcAdd(10, 20)

Function arguments can be overloaded:

fn myOverloadingFunction(int a, int b) {
  return a
}

fn myOverloadingFunction(float a, float b) {
  return b
}

x = myOverloadingFunction(10, 20) // gives 10
y = myOverloadingFunction(10.0, 20.0) // gives 20.0

You might be wondering how you can use the function arguments from the game. You can use vanilla macros by putting a $ behind the type of the argument you want to mark as a macro. Here's a simple example:

fn my_function($int a) {
  print("The integer you gave is: ", a)
}

my_function(10)
// Or from the game you can run this:
function your_namespace:my_function {a: 10}

Calculating nth fibonacci number:

fn fibonacci(int n) {
  a = 0
  b = 1
  i = 1
  loop {
    if (i == n) break
    c = a + b
    a = b
    b = c
    i++
  }
  return a
}

10thFibonacci = fibonacci(10)

Functions ​

Functions