Serhii Potapov

@greyblake.bsky.social

66 Followers 26 Following

Web developer (Rust/TS) and father by day, value investor and aspiring solopreneur by night. Building https://screamingvalue.com

Ferris the Crab starying at you. ust doesn’t have a garbage collector. It has you, staring at the screen during compile time, reflecting on life choices.
use std::any::Any; fn main() { let items: Vec<Box<dyn Any>> = vec![ Box::new(5i32), Box::new("hello"), Box::new(3.0f32), ]; for item in items { if let Some(i) = item.downcast_ref::<i32>() { println!("i32: {}", i); } else if let Some(f) = item.downcast_ref::<f32>() { println!("f32: {}", f); } else if let Some(s) = item.downcast_ref::<&str>() { println!("str: {}", s); } else { println!("Unknown type"); } } }