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Getting started with Rust - Introduction

Reference link :- https://doc.rust-lang.org/book

Install Rust with rustup

rustup is an one click installer for the systems programming language Rust.

To install in linux

curl -sSf https://static.rust-lang.org/rustup.sh | sh

To check the version

rustc --verison

To uninstall rust

sudo /usr/local/lib/rustlib/uninstall.sh

Running the first hello world problem

  • basic code
fn main() {
    println!("Hello, world!");
  • How to compile and run
$ rustc main.rs
$ ./main
Hello, world!

Cargo - Rust’s build system and package manager

  • check if Cargo is installed
cargo --version
  • Cargo expects your code to be inside src dir

  • Cargo.toml is a configuration file

  • Building and running a Cargo project

$ cargo build
   Compiling hello_world v0.0.1 (file:///home/yourname/projects/hello_world)
$ ./target/debug/hello_world
Hello, world!


$ cargo run
     Running `target/debug/hello_world`
Hello, world!
  • Cargo.lock - tracks the dependencies of the application

  • Makes a complete Cargo project to hack on

cargo new hello_world --bin