object Helpers
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- Helpers.scala
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- Helpers
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- implicit final class Requiring[A] extends AnyVal
Implicit class providing
requiring
methods.Implicit class providing
requiring
methods. This class is based onPredef.ensuring
in the Scala standard library. The difference is that this class's methods throwIllegalArgumentException
s rather thanAssertionError
s.An example adapted from
Predef
's documentation:import org.apache.pekko.util.Helpers.Requiring def addNaturals(nats: List[Int]): Int = { require(nats forall (_ >= 0), "List contains negative numbers") nats.foldLeft(0)(_ + _) } requiring(_ >= 0)
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- @inline()
Value Members
- final def !=(arg0: Any): Boolean
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- final def asInstanceOf[T0]: T0
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- def base64(l: Long, sb: StringBuilder = new java.lang.StringBuilder("$")): String
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- @tailrec()
- final val base64chars: String("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+~")
- def clone(): AnyRef
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- protected[lang]
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
- def compareIdentityHash(a: AnyRef, b: AnyRef): Int
- def currentTimeMillisToUTCString(timestamp: Long): String
Converts a "currentTimeMillis"-obtained timestamp accordingly:
Converts a "currentTimeMillis"-obtained timestamp accordingly:
"$hours%02d:$minutes%02d:$seconds%02d.$ms%03dUTC"
- timestamp
a "currentTimeMillis"-obtained timestamp
- returns
the formatted timestamp
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- final def getClass(): Class[_ <: AnyRef]
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- def hashCode(): Int
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- def identityHashComparator[T <: AnyRef](comp: Comparator[T]): Comparator[T]
Create a comparator which will efficiently use
System.identityHashCode
, unless that happens to be the same for two non-equals objects, in which case the supplied “real” comparator is used; the comparator must be consistent with equals, otherwise it would not be an enhancement over the identityHashCode. - final def isInstanceOf[T0]: Boolean
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- val isWindows: Boolean
- def makePattern(s: String): Pattern
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- final def notify(): Unit
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- def timestamp(time: Long): String
- def toRootLowerCase(s: String): String
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- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(): Unit
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