Trait diesel::types::Foldable

pub trait Foldable {
    type Sum;
    type Avg;
}

Marker trait for types which can be folded for a sum.

Associated Types

type Sum

type Avg

Implementors

• impl<T> Foldable for Nullable<T> where
    T: Foldable + NotNull, 
• impl Foldable for SmallInt
• impl Foldable for Integer
• impl Foldable for BigInt
• impl Foldable for Float
• impl Foldable for Double
• impl Foldable for Numeric
• impl Foldable for Interval