Numerical Types in Rust with VSCode

Taswar Bhatti September 28, 2021 No Comments

I wanted to talk about basic types in Rust. Lets begin with Numerical Types in Rust, since Rust is a statically typed language, which means that it must know the types of all variables at compile time. I will talk about number types that are built into the language.

Numerical Types

Numerical values are divided into Integer Types and Floating-point type. A simple numerical type can be signed integer types or unsigned integer types.

Integer Data types are listed below:

let a = 100; // The default integer type in Rust is i32
let b: i8 = -128; //explicitly telling it will be an i8 type
let x = 2i8; // Equals to `let x: i8 = 2;` personally I don't like this way of, I prefer the previous statement rather

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let a = 100;

… Read the rest

Rust, VSCode

rust, rustlang, vscode

Functions in Rust with VSCode

Taswar Bhatti September 21, 2021 No Comments

Continuting on from where we left off, in this post I will refactor my code to use a function such that I can reuse my code later on. I will showcase how to write Functions in Rust with VSCode.

Intro

If we look at our previous post we have a very simple main function and it is just getting user input and then it outputs it with the println method. Its not one of the most elegant code but we we taking baby steps here. As a preview of our code code, it looks like below.

use std::io::stdin;
fn main() {
    let mut name = String::new();
    println!("Please enter your name &gt;");
    stdin().read_line(&amp;mut name).expect("Failed input");
    println!("Hello {}", name);
}

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use std::io::stdin;

fn main() {

let

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Rust, VSCode

rust, rustlang, vscode

Capturing User Input in Rust with VSCode

Taswar Bhatti September 15, 2021 No Comments

In this post we are going to take our baby steps in learning Rust and the simple example of a hello world would not just cut it. We will now introduce how to Capturing User Input in Rust.

Intro

To get started we will use our trusty cargo package manager again to create a new project for us. If you have not used cargo yet, please look back at my previous post on how to setup cargo.

$cargo new hellouser

1	$cargo new hellouser

This will create a file system looking like below.

.
├── Cargo.lock
├── Cargo.toml
├── src
│   └── main.rs
└── target
    ├── CACHEDIR.TAG
    ├── debug
    └── rls

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├── Cargo.lock

├── Cargo.toml

├── src

│ └── main.rs

└── target

├──

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Rust, VSCode

rust, rust lang, vscode

Writing and Running Intergration Tests with Rust in VSCode

Taswar Bhatti September 8, 2021 No Comments

In this post I will go over how to write Unit test for your Rust application. We will continue with where we left off with the hello world program and see what Rust has to offer us in unit testing. Note: I will be Writing and Running Intergration Tests with Rust in VSCode.

Creating Rust test directory

#install the pre req
$ mkdir tests
$ touch tests/hello_tests.rs

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#install the pre req

$ mkdir tests

$ touch tests/hello_tests.rs

Our directory would look something like below.

.
├── Cargo.lock
├── Cargo.toml
├── src
│   └── main.rs
├── target
│   ├── CACHEDIR.TAG
│   ├── debug
│   └── rls
└── tests
    └── hello_tests.rs

5 directories, 5 files

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├── Cargo.lock

├── Cargo

… Read the rest

Rust, VSCode

rust, vscode

Learning Rust with VSCode

Taswar Bhatti September 1, 2021 No Comments

I recently started to look into Rust and found it quite interesting and fun to work with, reminded me of working a bit like go and C lang. Thus I though it would be good to go through a blog series on of learning Rust with VSCode.

I will be using WSL Ubuntu 20.04.3 LTS for my development. If you are not using WSL yet, it allows you to have a linux terminal right inside of your windows desktop. Windows Subsystem for Linux 2) allows users to run a Linux VM inside windows and gives a near native Linux experience.

Installing Rust

Lets install Rust in your Ubuntu environment.

#install the pre req
$ sudo apt install build-essential 

#Install Rust select 1 and Proceed with installation (default)
$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

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… Read the rest

Rust, VSCode

rust, rust lang, vscode

Numerical Types in Rust with VSCode

Numerical Types

Functions in Rust with VSCode

Intro

Capturing User Input in Rust with VSCode

Intro

Writing and Running Intergration Tests with Rust in VSCode

Creating Rust test directory

Learning Rust with VSCode

Installing Rust

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