Trait WeightScale 

pub trait WeightScale<K, V> {
    // Required method
    fn weight(&self, key: &K, value: &V) -> usize;
}

Trait used to retrieve the weight of a key-value pair.

Required Methods

fn weight(&self, key: &K, value: &V) -> usize

Returns the weight of a key-value pair.

Implementors

impl<K, V> WeightScale<K, V> for ZeroWeightScale