def Heap.peek

bend-kit-collections@0.1.4.1 · heap.bend:26

import Base

26def Heap.peek(-A: Data, h: Heap<A>) -> Maybe<&2, A>:
27  match h:
28    case HLeaf{}:
29      None{}
30    case HNode{n, x, l, r}:
31      Some{x}