def item_of

bend-collections@1.0.0.0 · src/containers/binary_heap.bend:72

import Base
import bend-collections@1.0.0.0/src/containers/types/binary_heap.bend as E

72def item_of(~A: Data, m: Maybe<&2, A>) -> Result<&2, &2, E.Error, A>:
73  match m:
74    case None{}:
75      Fail{E.EmptyHeap{}}
76    case Some{v}:
77      Done{v}