trait OnlyTraversable[A] extends AnyRef
Push-style "stream" which fills the void left by the removal of Traversable in Scala 2.13.
This is kind of a niche for the handful of cases where we want to treat something as "collection" but writing an iterator would be too difficult. I.e. when the collection contents are determined by some algorithm that reports results via a side-effect, such as the Bron-Kerbosch algorithm.
An OnlyTraversable can only be traversed by its foreach method; it has no iterator.
It can be transformed via the typical for-comprehension methods, but no other conveniences are provided.
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- abstract def foreach[U](f: (A) => U): Unit
Concrete Value Members
- final def !=(arg0: Any): Boolean
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- final def ##: Int
- Definition Classes
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- final def ==(arg0: Any): Boolean
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- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- AnyRef → Any
- def filter(f: (A) => Boolean): OnlyTraversable[A]
- def finalize(): Unit
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- protected[lang]
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- @throws(classOf[java.lang.Throwable])
- def flatMap[B](f: (A) => OnlyTraversable[B]): OnlyTraversable[B]
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
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- @native()
- def hashCode(): Int
- Definition Classes
- AnyRef → Any
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- @native()
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def map[B](f: (A) => B): OnlyTraversable[B]
- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- final def notifyAll(): Unit
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- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- final def wait(): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()
- def withFilter(f: (A) => Boolean): OnlyTraversable[A]