Companion object for class NonEmptyList.
Attributes
- Companion
- class
- Source
- NonEmptyList.scala
- Graph
-
- Supertypes
-
class Objecttrait Matchableclass Any
- Self type
-
NonEmptyList.type
Members list
Value members
Concrete methods
Constructs a new NonEmptyList given at least one element.
Constructs a new NonEmptyList given at least one element.
Type parameters
- T
-
the type of the element contained in the new
NonEmptyList
Value parameters
- firstElement
-
the first element (with index 0) contained in this
NonEmptyList - otherElements
-
a varargs of zero or more other elements (with index 1, 2, 3, ...) contained in this
NonEmptyList
Attributes
- Source
- NonEmptyList.scala
Optionally construct a NonEmptyList containing the elements, if any, of a given GenSeq.
Optionally construct a NonEmptyList containing the elements, if any, of a given GenSeq.
Value parameters
- seq
-
the
GenSeqwith which to construct aNonEmptyList
Attributes
- Returns
-
a
NonEmptyListcontaining the elements of the givenGenSeq, if non-empty, wrapped in aSome; elseNoneif theGenSeqis empty - Source
- NonEmptyList.scala
Variable argument extractor for NonEmptyLists.
Variable argument extractor for NonEmptyLists.
Value parameters
- nonEmptyList:
-
the
NonEmptyListcontaining the elements to extract
Attributes
- Returns
-
an
Seqcontaining thisNonEmptyLists elements, wrapped in aSome - Source
- NonEmptyList.scala
Implicits
Implicits
Implicit conversion from NonEmptyList to List.
Implicit conversion from NonEmptyList to List.
One use case for this implicit conversion is to enable GenSeq[NonEmptyList]s to be flattened. Here's an example:
scala> Vector(NonEmptyList(1, 2, 3), NonEmptyList(3, 4), NonEmptyList(5, 6, 7, 8)).flatten res0: scala.collection.immutable.Vector[Int] = Vector(1, 2, 3, 3, 4, 5, 6, 7, 8)
Value parameters
- nonEmptyList
-
the
NonEmptyListto convert to aList
Attributes
- Returns
-
a
Listcontaining the elements, in order, of thisNonEmptyList - Source
- NonEmptyList.scala