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spice-delta

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package spice

import spice.delta.types.Delta
import spice.http.HttpExchange

package object delta {
  implicit class HttpExchangeDelta(exchange: HttpExchange) {
    object deltas {
      private val key: String = "deltas"
      def apply(): List[Delta] = exchange.store.getOrElse[List[Delta]](key, Nil)
      def clear(): Unit = exchange.store.remove(key)
      def ++=(deltas: List[Delta]): Unit = exchange.store(key) = apply() ::: deltas
      def +=(delta: Delta): Unit = this ++= List(delta)
      def isEmpty: Boolean = apply().isEmpty
      def nonEmpty: Boolean = apply().nonEmpty
    }
  }
}