Trait diesel::associations::GroupedBy

pub trait GroupedBy<'a, Parent>: IntoIterator + Sized {
    fn grouped_by(self, parents: &'a [Parent]) -> Vec<Vec<Self::Item>>;
}

Required Methods

fn grouped_by(self, parents: &'a [Parent]) -> Vec<Vec<Self::Item>>

Implementors

• impl<'a, Parent: 'a, Child, Iter> GroupedBy<'a, Parent> for Iter where
    Iter: IntoIterator<Item = Child>,
    Child: BelongsTo<Parent>,
    &'a Parent: Identifiable,
    <&'a Parent as Identifiable>::Id: Borrow<Child::ForeignKey>,