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Merge pull request #1292 from eikek/update-scribe
Update scribe to 3.13.0
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modules/logging/api/src/main/scala/sharry/logging/LazyMap.scala
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package sharry.logging | ||
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import sharry.logging.LazyMap.Val | ||
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final class LazyMap[A, B]( | ||
private val values: Map[A, Val[B]] | ||
) { | ||
lazy val toMap: Map[A, B] = values.view.mapValues(_.value).toMap | ||
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def updated(key: A, value: => B): LazyMap[A, B] = | ||
new LazyMap(values.updated(key, Val(value))) | ||
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def get(key: A): Option[() => B] = | ||
values.get(key).map(e => () => e.value) | ||
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def ++(lm: LazyMap[A, B]): LazyMap[A, B] = | ||
new LazyMap(values ++ lm.values) | ||
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def addMap(m: Map[A, B]): LazyMap[A, B] = | ||
this ++ LazyMap.fromMap(m) | ||
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def toDeferred: Map[A, () => B] = | ||
values.view.mapValues(e => () => e.value).toMap | ||
} | ||
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object LazyMap { | ||
private[this] val emptyMap = new LazyMap[Any, Any](Map.empty) | ||
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def empty[A, B]: LazyMap[A, B] = emptyMap.asInstanceOf[LazyMap[A, B]] | ||
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def fromMap[A, B](m: Map[A, B]): LazyMap[A, B] = | ||
new LazyMap(m.view.mapValues(a => Val(a)).toMap) | ||
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final private class Val[B](v: => B) { | ||
lazy val value = v | ||
} | ||
private object Val { | ||
def apply[B](v: => B): Val[B] = new Val(v) | ||
} | ||
} |
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