Run your first program

In this guide, we will run a simple "Hello World" program using your language.

Prerequisites

Ensure you have your environment set up to run the code. This usually means:

• 1️⃣ Install SDK
• 2️⃣ Create New Project

Hello World Program

Let's create a new file called helloworld.vein and add the following code:

#use "std"

class Prog {
   master(): void {
      Out.println("Hello World!");
   }
}

Explanation

• #use "std": This line includes the standard library, providing essential functionalities like input and output.
• class Prog: Defines a class named Prog.
• master(): void: Defines a entry point method named master that returns nothing (void).
• Out.println("Hello World!");: Prints the string "Hello World!" to the output.

Running the Program

To run the program, execute the following command in your terminal or command prompt:

rune run

If everything is set up correctly, you should see the following output:

Hello World!

Congratulations! You've successfully run your first program.