Trait diesel::prelude::GroupedBy
[−]
[src]
pub trait GroupedBy<Parent>: IntoIterator + Sized { fn grouped_by(self, parents: &[Parent]) -> Vec<Vec<Self::Item>>; }
Required Methods
fn grouped_by(self, parents: &[Parent]) -> Vec<Vec<Self::Item>>
Implementors
impl<Parent, Child, Iter> GroupedBy<Parent> for Iter where Iter: IntoIterator<Item=Child>, Child: BelongsTo<Parent>, Parent: Identifiable