Rust's map is cool

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I know Rust is still pretty niche, so consider this piece of idiomatic Typescript: const client = this .clients.get(user_id); if (client) { client.status = ClientStatus.Disconnected; } A Rust version: self .clients.get_mut(&user_id).map(|client| { client.status = ClientStatus::Disconnected; }); Excuse the fact that this might not be idiomatic Rust, but I think it’s profound. In other languages I…

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