Meldable min-heap
= Meldable min-heap
A <meldable heap> satisfying the <min-heap> ordering: each parent key is no greater than its children's keys. It combines efficient merging with access to the current minimum key.
= Meldable min-heap
A <meldable heap> satisfying the <min-heap> ordering: each parent key is no greater than its children's keys. It combines efficient merging with access to the current minimum key.