cosmos-rust-getting-started-db-delete

db.rs

fn delete(&self, doc: Document) -> Result<i64, Error> {
   let collection = &self
      .client
      .get_db(&self.database)
      .get_collection(&self.collection);

   match collection.delete_one(doc, None) {
      Ok(result) => Ok(result.deleted_count),
      Err(e) => Err(e),
   }
}