coreyja
@coreyja.com
480 followers 660 following 506 posts
Full-stack architect with two decades of web expertise I help coders level up their engineering careers Check out my site: coreyja.com
Full-stack architect with two decades of web expertise I help coders level up their engineering careers Check out my site: coreyja.com
![let nums = vec![1, 2, 3, 4, 5];
let sum: i32 = nums.iter().filter(|x| *x % 2 == 0).sum();
println!("Sum: {}", sum);](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:bg2gnrjiv6htfynausierbm2/bafkreib7vuw4csyzbhcf6mov5wszawjyh3p7xp74fkpea4vd26sf2hjqte)
![#[non_exhaustive]
pub enum Color {
Red,
Green,
Blue,
}
fn main() {
let color = Color::Red;
match color {
Color::Red => println!("It's red!"),
Color::Green => println!("It's green!"),
Color::Blue => println!("It's blue!"),
_ => println!("It's a new color!"),
}
}](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:bg2gnrjiv6htfynausierbm2/bafkreihhyk3x36ky6ybe7pbmweylkwaru7r466gtajysjyegaor2th7yny)
![#[must_use]
enum OrderStatus {
OrderPlaced,
MustRetry,
Failed
}
fn important_function() -> OrderStatus {
todo!("Some fancy implementation")
}
fn main() {
important_function();
// warning: unused `OrderStatus` that must be used
// help: use `let _ = ...` to ignore the resulting value
}](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:bg2gnrjiv6htfynausierbm2/bafkreiaeaexsgnnaeg6liltie2klb4nrxxfrqt622pgmxk3w6tidtym3ya)
![#[cfg(test)] mod tests { use std::thread; use std::time::Duration; #[test] fn quick_test() { assert_eq!(2 + 2, 4); } #[test] #[ignore] fn slow_test() { // Simulate a long-running test thread::sleep(Duration::from_secs(5)); assert!(true); } }](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:bg2gnrjiv6htfynausierbm2/bafkreia37tsxvjyfrz2owftdr2ulsf62llebc4wp2gfo33oqs5bm7jsnde)
