org.rogach.scallop.LazyMap.scala Maven / Gradle / Ivy

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package org.rogach.scallop

/** A class that lazily encapsulates a map inside.
  */
class LazyMap[A,+B](
  under: => Map[A,B],
  _name: String,
  _isSupplied: () => Boolean,
  private[scallop] val cliOption: Option[CliOption]
) extends Map[A,B] with ScallopOptionBase {
  lazy val m = under
  def get(key: A) = m.get(key)
  def iterator = m.iterator
  def +[B1 >: B](kv: (A,B1)): Map[A, B1] = m + kv
  def -(key: A): Map[A,B] = m - key
  def name: String = _name
  def isSupplied: Boolean = _isSupplied()
}