cosmos-rust-getting-started-db-create

db.rs

fn create(&self, doc: Document) -> Result<Bson, Error> {
  let collection = &self
  .client
  .get_db(&self.database)
  .get_collection(&self.collection);

  // inserts the given document in the collection
  match collection.insert_one(doc, None) {
    Ok(result) => Ok(result.inserted_id),
    Err(e) => Err(e),
    }
}