fn unfold<C, D, I>(
    github: Github<C>,
    first: Future<(Option<Link>, D)>,
    into_items: fn(D) -> Vec<I>,
) -> Stream<I>
where
    D: DeserializeOwned + 'static + Send,
    I: 'static + Send,
    C: Clone + Connect + 'static,
{
    Box::new(
        first
            .map(move |(link, payload)| {
                let mut items = into_items(payload);
                items.reverse();
                stream::unfold::<_, _, Future<(I, (Option<Link>, Vec<I>))>, _>(
                    (link, items),
                    move |(link, mut items)| match items.pop() {
                        Some(item) => Some(Box::new(future::ok((item, (link, items))))),
                        _ => link.and_then(|l| next_link(&l)).map(|url| {
                            let url = Url::parse(&url).unwrap();
                            let uri = [url.path(), url.query().unwrap_or_default()].join("?");
                            Box::new(github.get_pages(uri.as_ref()).map(move |(link, payload)| {
                                let mut items = into_items(payload);
                                items.reverse();
                                (items.remove(0), (link, items))
                            })) as Future<(I, (Option<Link>, Vec<I>))>
                        }),
                    },
                )
            })
            .into_stream()
            .flatten(),
    )
}
/// "unfold" paginated results of a list of github entities
"unfold" paginated results of a list of github entities
" unfold " paginated results of a list of github entities
fn unfold<C, D, I>(
    github: Github<C>,
    first: Future<(Option<Link>, D)>,
    into_items: fn(D) -> Vec<I>,
) -> Stream<I>
where
    D: DeserializeOwned + 'static + Send,
    I: 'static + Send,
    C: Clone + Connect + 'static,
{
    Box::new(
        first
            .map(move |(link, payload)| {
                let mut items = into_items(payload);
                items.reverse();
                stream::unfold::<_, _, Future<(I, (Option<Link>, Vec<I>))>, _>(
                    (link, items),
                    move |(link, mut items)| match items.pop() {
                        Some(item) => Some(Box::new(future::ok((item, (link, items))))),
                        _ => link.and_then(|l| next_link(&l)).map(|url| {
                            let url = Url::parse(&url).unwrap();
                            let uri = [url.path(), url.query().unwrap_or_default()].join("?");
                            Box::new(github.get_pages(uri.as_ref()).map(move |(link, payload)| {
                                let mut items = into_items(payload);
                                items.reverse();
                                (items.remove(0), (link, items))
                            })) as Future<(I, (Option<Link>, Vec<I>))>
                        }),
                    },
                )
            })
            .into_stream()
            .flatten(),
    )
}
fn unfold < C , D , I > ( github : Github < C > , first : Future < ( Option < Link > , D ) > , into_items : fn ( D ) -> Vec < I > , ) -> Stream < I > where D : DeserializeOwned + ' static + Send , I : ' static + Send , C : Clone + Connect + ' static , { Box :: new ( first . map ( move | ( link , payload ) | { let mut items = into_items ( payload ) ; items . reverse ( ) ; stream :: unfold :: < _ , _ , Future < ( I , ( Option < Link > , Vec < I > ) ) > , _ > ( ( link , items ) , move | ( link , mut items ) | match items . pop ( ) { Some ( item ) => Some ( Box :: new ( future :: ok ( ( item , ( link , items ) ) ) ) ) , _ => link . and_then ( | l | next_link ( & l ) ) . map ( | url | { let url = Url :: parse ( & url ) . unwrap ( ) ; let uri = [ url . path ( ) , url . query ( ) . unwrap_or_default ( ) ] . join ( " " ) ; Box :: new ( github . get_pages ( uri . as_ref ( ) ) . map ( move | ( link , payload ) | { let mut items = into_items ( payload ) ; items . reverse ( ) ; ( items . remove ( 0 ) , ( link , items ) ) } ) ) as Future < ( I , ( Option < Link > , Vec < I > ) ) > } ) , } , ) } ) . into_stream ( ) . flatten ( ) , ) }
"unfold" paginated results of a list of github entities
" unfold " paginated results of a list of github entities
github
Github<C>
first
Future<(Option<Link>, D)>
into_items
fn(D) -> Vec<I>