Function assertSomeEdge

repos/effect/packages/effect/test/Graph.test.ts:5–10

(edge: Option.Option<Graph.Edge<E>>)

const directed = <N, E>(
  nodes: ReadonlyArray<N>,
  edges: ReadonlyArray<readonly [Graph.NodeIndex, Graph.NodeIndex, E]>
) =>
  Graph.directed<N, E>((mutable) => {
    for (const node of nodes) Graph.addNode(mutable, node)
    for (const [source, target, data] of edges) Graph.addEdge(mutable, source, target, data)
  })

const undirected = <N, E>(