jeraldgan/rust-primer

marp
true

rust-primer

A taste of Rust

2021

$\approx$ 3–4 hours

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git clone https://github.com/gyng/rust-primer.git

or

https://github.com/gyng/rust-primer/archive/refs/heads/main.zip

or

https://gitpod.io#https://github.com/gyng/rust-primer

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Rust

Rust has been voted the "most loved programming language" in the Stack Overflow Developer Survey every year since 2016.

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Me

• First line of Rust code in 2014
• Intermediate (!) Rust programmer

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Rust experience

A few small and medium-sized ($\lt$ 5K LoC) Rust programs in production

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Bulk CSV data sanitizer

Count, parse, clean terrabytes of CSV

• small 32-core server in an on-premise server
• 50$\times$ speed up over (somewhat optimised) Python
• 30$\times$ over PyPy

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Kubernetes job monitor

Export logs, metrics, and artifacts

• 14MB peak memory usage while streaming and uploading GB-sized ZIP files

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Prerequisites

• Internet access
• Know how to program in some programming language
• Able to git clone
• A machine where you can install rust
• Visual Studio Code preferred but not required

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Objectives

Answer the question: Why should I try Rust?

• Rust setup
• A taste of Rust programming
• Write a simple, semi-realistic program at the end

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Non-objectives

• Anything beyond the basics
• A good understanding of using the basics of Rust

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It's okay to not come out of this with a complete understanding of what happened!

It's about getting a first impression

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Format

• Topics in each subdirectory
• Intro demo for each topic
• Exercise for each topic
• Solution for each topic provided

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Topics

• Setup
• Basic syntax
• Structs and exposure to lifetimes
• Generics and traits
• Option, Result, enums, and pattern matching
• Strings
• External libraries
• A taste of async
• Towards production

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References and links

• The Rust Book start here!
• Rust By Example
• Rust for C++ programmers
• A half hour to learn Rust
• Considering Rust (slides)
• Rustonomicon "The Dark Arts of Unsafe Rust"
• 2020 State of Rust