Trait object_merge::MergeCombineByKey
source · pub trait MergeCombineByKey {
type Elem;
fn merge_combine_by_key<F, K>(&mut self, template: &Self, get_key: F)
where
F: FnMut(&Self::Elem) -> K,
K: Hash + Eq;
}
Expand description
Merge and combine the elements in two containers using a custom function for getting
the key that should be used for each element. This allows merging and combining Vec