pub fn filter_selected<F1, F2, I, O>(
    iter: impl Iterator<Item = I>,
    selected_builds: &[(
        types::Build,
        types::Package,
        types::PackageVersion,
        types::Krate,
        types::CrateHash,
        types::Edition,
    )],
    def_paths: &InterningTable<
        types::DefPath,
        (
            types::Krate,
            types::CrateHash,
            types::RelativeDefId,
            types::DefPathHash,
            types::SummaryId,
        ),
    >,
    extract_def_path: F1,
    construct_result: F2,
) -> Vec<O>
where
    F1: Fn(I) -> types::DefPath,
    F2: Fn(types::Build, I) -> O,
    I: Clone,
{
    let selected_builds_set: HashMap<_, _> = selected_builds
        .iter()
        .map(
            |&(build, _package, _version, krate, crate_hash, _edition)| {
                ((krate, crate_hash), build)
            },
        )
        .collect();
    iter.flat_map(|element| {
        let def_path = extract_def_path(element.clone());
        let (krate, crate_hash, _, _, _) = def_paths[def_path];
        selected_builds_set
            .get(&(krate, crate_hash))
            .map(|build| construct_result(*build, element))
    })
    .collect()
}
/// From relation `iter` filters the facts that belong only to `selected_builds`.
From relation `iter` filters the facts that belong only to `selected_builds`.
From relation ` iter ` filters the facts that belong only to ` selected_builds ` .
pub fn filter_selected<F1, F2, I, O>(
    iter: impl Iterator<Item = I>,
    selected_builds: &[(
        types::Build,
        types::Package,
        types::PackageVersion,
        types::Krate,
        types::CrateHash,
        types::Edition,
    )],
    def_paths: &InterningTable<
        types::DefPath,
        (
            types::Krate,
            types::CrateHash,
            types::RelativeDefId,
            types::DefPathHash,
            types::SummaryId,
        ),
    >,
    extract_def_path: F1,
    construct_result: F2,
) -> Vec<O>
where
    F1: Fn(I) -> types::DefPath,
    F2: Fn(types::Build, I) -> O,
    I: Clone,
{
    let selected_builds_set: HashMap<_, _> = selected_builds
        .iter()
        .map(
            |&(build, _package, _version, krate, crate_hash, _edition)| {
                ((krate, crate_hash), build)
            },
        )
        .collect();
    iter.flat_map(|element| {
        let def_path = extract_def_path(element.clone());
        let (krate, crate_hash, _, _, _) = def_paths[def_path];
        selected_builds_set
            .get(&(krate, crate_hash))
            .map(|build| construct_result(*build, element))
    })
    .collect()
}
pub fn filter_selected < F1 , F2 , I , O > ( iter : impl Iterator < Item = I > , selected_builds : & [ ( types :: Build , types :: Package , types :: PackageVersion , types :: Krate , types :: CrateHash , types :: Edition , ) ] , def_paths : & InterningTable < types :: DefPath , ( types :: Krate , types :: CrateHash , types :: RelativeDefId , types :: DefPathHash , types :: SummaryId , ) , > , extract_def_path : F1 , construct_result : F2 , ) -> Vec < O > where F1 : Fn ( I ) -> types :: DefPath , F2 : Fn ( types :: Build , I ) -> O , I : Clone , { let selected_builds_set : HashMap < _ , _ > = selected_builds . iter ( ) . map ( | & ( build , _package , _version , krate , crate_hash , _edition ) | { ( ( krate , crate_hash ) , build ) } , ) . collect ( ) ; iter . flat_map ( | element | { let def_path = extract_def_path ( element . clone ( ) ) ; let ( krate , crate_hash , _ , _ , _ ) = def_paths [ def_path ] ; selected_builds_set . get ( & ( krate , crate_hash ) ) . map ( | build | construct_result ( * build , element ) ) } ) . collect ( ) }
From relation `iter` filters the facts that belong only to `selected_builds`.
From relation ` iter ` filters the facts that belong only to ` selected_builds ` .
iter
impl Iterator<Item = I>
selected_builds
&[(
        types::Build,
        types::Package,
        types::PackageVersion,
        types::Krate,
        types::CrateHash,
        types::Edition,
    )]
def_paths
&InterningTable<
        types::DefPath,
        (
            types::Krate,
            types::CrateHash,
            types::RelativeDefId,
            types::DefPathHash,
            types::SummaryId,
        ),
    >
extract_def_path
F1
construct_result
F2