If you’ve written Rust for more than a few days, you’ve probably hit this moment: You’re writing a function, something might fail, and now you’re staring at your screen thinking, “Should I return an Option or a Result?” They both kind of mean “something might go wrong,” but they’re not interchangeable. Let’s break it down in plain English. Option<T> — Sometimes There’s Just Nothing Option is Rust’s gentle way of saying, “Hey, there might be nothing here, and that’s okay.”No

In Rust, you typically read command-line arguments using the standard library’s std::env::args()  function. This function returns an...

In Rust, #[derive(Debug)] is an attribute macro used to automatically generate an implementation of the Debug trait for a custom data...