fail.scala

  def readTile[K: TileReader: JsonFormat: ClassTag](layerId: LayerId): K => Tile = {
    val accumuloLayerMetaData = metaDataCatalog.read(layerId)
    val keyBounds = attributeStore.read[KeyBounds[K]](layerId, "keyBounds")
    val index = attributeStore.read[KeyIndex[K]](layerId, "keyIndex")
    implicitly[TileReader[K]].read(instance, layerId, accumuloLayerMetaData, index)(_)
  }
  
val tile = (catalog.readTile[SpaceTimeKey](layerId))(key)            // Throws
val tile = catalog.readTile[SpaceTimeKey](layerId)(key)              // Throws

val tile = catalog.readTile[SpaceTimeKey](layerId).apply(key)        // Works
val getTile = catalog.readTile[SpaceTimeKey](layerId); getTile(key)  // Works


not enough arguments for method readTile: (implicit evidence$9: geotrellis.spark.io.accumulo.TileReader[geotrellis.spark.SpaceTimeKey], implicit evidence$10: spray.json.JsonFormat[geotrellis.spark.SpaceTimeKey], implicit evidence$11: scala.reflect.ClassTag[geotrellis.spark.SpaceTimeKey])geotrellis.spark.SpaceTimeKey => geotrellis.raster.Tile.