INNER CODE UNIT · Rust

poll_next

thedodd/wither · wither/src/cursor.rs:30

    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
        let doc = match Pin::new(&mut self.cursor).poll_next(cx) {
            Poll::Pending => return Poll::Pending,
            Poll::Ready(None) => return Poll::Ready(None),
            Poll::Ready(Some(Err(err))) => return Poll::Ready(Some(Err(WitherError::from(err)))),
            Poll::Ready(Some(Ok(doc))) => doc,
        };
        // match Model::instance_from_document(doc) {
        // Ok(model) => Poll::Ready(Some(Ok(model))),
        // Err(err) => Poll::Ready(Some(Err(err))),
        // }
        Poll::Ready(Some(Ok(doc)))
    }
}

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