Mastodon Feed
rust@octodon.social ("Rust tips") wrote:
You never need more than one
.and_then(…)or.map(…).flatten(),
because the?operator works inside the closure.maybe_object .and_then(|o| o.path.file_name()) .and_then(|p| p.to_str()) .and_then(|s| { delim.and_then(|d| s.split_once(d)) })maybe_object.and_then(|o| { o.path.file_name()?.to_str()?.split_once(delim?)})