Hello World

Every programming language tutorial starts with a Hello World Program. As a classic, We are following the same.

If you have rust already installed in your system then, you can follow these steps. If not, Please follow this link to install rust in your system.

Open your Command prompt/Terminal in your system, follow these steps

mkdir rustlers_rust
cd rustlers_rust

Open the folder in Visual studio code,

What's visual studio code ?

It is a open source Ide from Microsoft, To install you can follow this link

create a new file called Helloworld.rs, .rs is the extension for rust programming language

fn main(){
  println!("Hello World");
}

Then open your terminal , the first step is to compile using the rust compiler

rustc Helloworld.rs

and to run the program

./Helloworld

and yes, you have successfully created the first rust program.

In this example, fn main() refers to creation of main function , any rust program will start from this section and we are using a println! macro to print Hello world to the console.