Trait gv100ad::db::IterChildrenOf

pub trait IterChildrenOf<'a>: 'a {
    type Iter: Iterator<Item = (&'a Self::Key, &'a Self)>;
    type Key;
    fn iter_children_of<K: IntoRangeKey<Self::Key>>(
        db: &'a Database, 
        key: K
    ) -> Self::Iter;
}

Trait to iterate over subsets of records (e.g. all Kreise in Saarland).

Associated Types

type Iter: Iterator<Item = (&'a Self::Key, &'a Self)>

type Key

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Required methods

fn iter_children_of<K: IntoRangeKey<Self::Key>>(
    db: &'a Database,
    key: K
) -> Self::Iter

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Implementors

impl<'a> IterChildrenOf<'a> for GemeindeDaten

type Iter = Range<'a, Self::Key, Self>

type Key = GemeindeSchluessel

fn iter_children_of<K: IntoRangeKey<Self::Key>>(
    db: &'a Database,
    key: K
) -> Self::Iter

impl<'a> IterChildrenOf<'a> for GemeindeverbandDaten

type Iter = Range<'a, Self::Key, Self>

type Key = GemeindeverbandSchluessel

fn iter_children_of<K: IntoRangeKey<Self::Key>>(
    db: &'a Database,
    key: K
) -> Self::Iter

impl<'a> IterChildrenOf<'a> for KreisDaten

type Iter = Range<'a, Self::Key, Self>

type Key = KreisSchluessel

fn iter_children_of<K: IntoRangeKey<Self::Key>>(
    db: &'a Database,
    key: K
) -> Self::Iter

impl<'a> IterChildrenOf<'a> for RegierungsbezirkDaten

type Iter = Range<'a, Self::Key, Self>

type Key = RegierungsbezirkSchluessel

fn iter_children_of<K: IntoRangeKey<Self::Key>>(
    db: &'a Database,
    key: K
) -> Self::Iter

impl<'a> IterChildrenOf<'a> for RegionDaten

type Iter = Range<'a, Self::Key, Self>

type Key = RegionSchluessel

fn iter_children_of<K: IntoRangeKey<Self::Key>>(
    db: &'a Database,
    key: K
) -> Self::Iter

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