Podcasts Technology Syntax - Tasty Web Development Treats Rust for JS Devs Part 2

Rust for JS Devs Part 2

Published: Aug. 23, 2023, 10 a.m.

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In this episode of Syntax, Wes and Scott jump into part 2 of their look at Rust for JavaScript developers, including variables in Rust, type systems in Rust, signed and unsigned integers, and more.

Show Notes

let x = 5;  // x is immutable let mut x = 5; // x is mutable const MAX_POINTS: u32 = 100_000; // must be defined at compile time
  • 10:42 Type System in Rust
  • 15:52 Types in Rust
  • 19:06 Why does Rust have signed and unsigned integers?
  • 23:35 Slicing strings with &str
  • 27:35 enum
  • 27:55 struct
  • 28:19 Vec
  • 29:33 HashMap and HashSet
  • 33:00 Converting Signed to Unsigned Numbers
let unsigned_value: u8 = 200; let signed_value: i8 = unsigned_value as i8;
  • 36:12 What\\u2019s up with &str?
  • 43:31 Rust error messages
  • 45:28 What is a Struct?
struct User {    username: String,     email: String,     sign_in_count: u64,     active: bool, }  // You can create an instance of a struct like this: let user1 = User {     email: String::from("someone@example.com"),     username: String::from("someusername123"),     active: true,     sign_in_count: 1, };  impl User {     fn login(&mut self) {         self.login_count += 1;     } }
  • 49:17 SIIIIICK \\xd7\\xd7\\xd7 PIIIICKS \\xd7\\xd7\\xd7

\\xd7\\xd7\\xd7 SIIIIICK \\xd7\\xd7\\xd7 PIIIICKS \\xd7\\xd7\\xd7

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