verticesByState method

Map<V, VertexSnapshot<V>> verticesByState(
  1. SnapshotState state
)

Implementation

Map<V, VertexSnapshot<V>> verticesByState(SnapshotState state) =>
    vertexSnapshots.entries.fold(
        {}, (a, c) => {...a, if (c.value.state == state) c.key: c.value});