Hello World program in Rust

In this section, we are going to install the Rust programming language and write a basic program that prints "Hello World!"

What is an "Hello World" program ?

Put simple, it is writing a program that prints "Hello world" (or "Hello, world!"). It's like some sort of ritual in the board programming community to welcome yourself; just like a baby's first cry.

Installing the Rust programming language toolchain.

See the Rust programming language toolchain installation guide here https://www.rust-lang.org/tools/install

Writing Hello world in Rust

Step one: Create a new hello_world.rs file

touch hello_world.rs

Step two: Add the code below to your hello_world.rs file

fn main() {
    println!("Hello, world!");
}

Step three

1. For Windows Operating system

rustc hello_world.rs -o hello
./hello.exe

2. For Linux and Mac

rustc hello_world.rs -o hello
./hello