Scala Library Documentation
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scala/Nil.scala
]
case
object
Nil
extends
List[Nothing] with
ProductMethod Summary | |
def
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head
: Nothing
Returns this first element of the list.
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override def
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isEmpty
: Boolean
Returns true if the list does not contain any elements.
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override final def
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productArity
: Int
return k for a product
A(x_1,...,x_k)) |
override final def
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productElement
(arg0 : Int) : Any
for a case class
A(x_1,...,x_k)) , returns x_(i+1)
for 0 <= i < k |
override final def
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productPrefix
: java.lang.String
By default the empty string. Implementations may override this
method in order to prepend a string prefix to the result of the
toString methods.
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protected def
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readResolve : AnyRef |
def
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tail
: List[Nothing]
Returns this list without its first element.
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Methods inherited from Product | |
element, arity |
Methods inherited from List | |
lengthCompare, ::, :::, reverse_:::, length, indices, elements, toList, init, last, take, slice, drop, takeRight, dropRight, splitAt, takeWhile, dropWhile, span, break, apply, map, reverseMap, foreach, filter, remove, partition, sort, count, forall, exists, find, foldLeft, foldRight, reduceLeft, reduceRight, flatMap, reverse, zip, zipWithIndex, zipAll, union, diff, flatten, intersect, removeDuplicates, stringPrefix, projection, toStream |
Methods inherited from Seq | |
size, concat, lastOption, headOption, ++, isDefinedAt, lastIndexOf, contains, subseq, toArray, equalsWith, startsWith, endsWith, indexOf, containsSlice |
Methods inherited from Collection | |
toString |
Methods inherited from Iterable | |
findIndexOf, indexOf, /:, :\, copyToBuffer, sameElements, mkString, mkString, mkString, addString, addString, copyToArray, hasDefiniteSize |
Methods inherited from PartialFunction | |
orElse, andThen |
Methods inherited from Function1 | |
compose |
Methods inherited from AnyRef | |
getClass, hashCode, equals, clone, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized |
Methods inherited from Any | |
==, !=, isInstanceOf, asInstanceOf |
Method Details |
override
def
isEmpty : Boolean
true
, iff the list is empty.
def
head : Nothing
override final
def
productPrefix : java.lang.String
override final
def
productArity : Int
A(x_1,...,x_k))
A(x_1,...,x_k))
, returns x_(i+1)
for 0 <= i < k
n -
the position of the n-th elementIndexOutOfBoundsException -
protected
def
readResolve : AnyRef
Scala Library Documentation
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