Class Nil<E>

java.lang.Object

com.github.andrewoma.dexx.collection.internal.base.AbstractTraversable<E>

com.github.andrewoma.dexx.collection.internal.base.AbstractIterable<E>

com.github.andrewoma.dexx.collection.internal.base.AbstractList<E>

com.github.andrewoma.dexx.collection.internal.base.AbstractLinkedList<E>

com.github.andrewoma.dexx.collection.ConsList<E>

com.github.andrewoma.dexx.collection.Nil<E>

All Implemented Interfaces:

Iterable<E>, LinkedList<E>, List<E>, Traversable<E>, Iterable<E>

class Nil<E>
extends ConsList<E>

Nil is the empty list

Constructor Summary

Constructors

Constructor	Description
Nil()

Method Summary

Modifier and Type	Method	Description
@NotNull ConsList<E>	append(E elem)	Returns a list with the specified element appended to the bottom of the list.
@NotNull ConsList<E>	drop(int number)	Returns a list containing all elements in this list, excluding the first number of elements.
E	first()	Returns first element in the list or null if the list is empty.
E	get(int i)	Returns the element at the specified index in this list (zero-based).
boolean	isEmpty()	Returns true if this collection is empty.
E	last()	Returns last element in the list or null if the list is empty.
@NotNull ConsList<E>	range(int from, boolean fromInclusive, int to, boolean toInclusive)	Returns a list containing a contiguous range of elements from this list.
@NotNull ConsList<E>	set(int i, E elem)	Returns a list with the element set to the value specified at the index (zero-based).
@NotNull ConsList<E>	tail()	Returns a list containing all elements in the list, excluding the first element.
@NotNull ConsList<E>	take(int number)	Returns a list containing the first number of elements from this list.

Methods inherited from class ConsList

empty, factory, iterator, prepend

Methods inherited from class AbstractList

asList, equals, hashCode, indexOf, lastIndexOf

Methods inherited from class AbstractIterable

forEach

Methods inherited from class AbstractTraversable

makeString, makeString, size, to, toArray, toArray, toIndexedList, toSet, toSortedSet, toString

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Iterable

forEach, spliterator

Methods inherited from interface List

asList, indexOf, lastIndexOf

Methods inherited from interface Traversable

forEach, makeString, makeString, size, to, toArray, toArray, toIndexedList, toSet, toSortedSet

Constructor Details

Nil

Nil()

Method Details

isEmpty

public boolean isEmpty()

Description copied from interface: Traversable

Returns true if this collection is empty.

Specified by:

isEmpty in interface Traversable<E>

Overrides:

isEmpty in class AbstractTraversable<E>

first

@Nullable
public E first()

Description copied from interface: List

Returns first element in the list or null if the list is empty.

tail

@NotNull
public @NotNull ConsList<E> tail()

Description copied from interface: List

Returns a list containing all elements in the list, excluding the first element. An empty list is returned if the list is empty.

Specified by:

tail in interface LinkedList<E>

Specified by:

tail in interface List<E>

Specified by:

tail in class ConsList<E>

set

@NotNull
public @NotNull ConsList<E> set(int i,
 E elem)

Description copied from interface: List

Returns a list with the element set to the value specified at the index (zero-based).

Specified by:

set in interface LinkedList<E>

Specified by:

set in interface List<E>

Specified by:

set in class ConsList<E>

append

@NotNull
public @NotNull ConsList<E> append(E elem)

Description copied from interface: List

Returns a list with the specified element appended to the bottom of the list.

Specified by:

append in interface LinkedList<E>

Specified by:

append in interface List<E>

Specified by:

append in class ConsList<E>

drop

@NotNull
public @NotNull ConsList<E> drop(int number)

Description copied from interface: List

Returns a list containing all elements in this list, excluding the first number of elements.

Specified by:

drop in interface LinkedList<E>

Specified by:

drop in interface List<E>

Specified by:

drop in class ConsList<E>

take

@NotNull
public @NotNull ConsList<E> take(int number)

Description copied from interface: List

Returns a list containing the first number of elements from this list.

Specified by:

take in interface LinkedList<E>

Specified by:

take in interface List<E>

Specified by:

take in class ConsList<E>

range

@NotNull
public @NotNull ConsList<E> range(int from,
 boolean fromInclusive,
 int to,
 boolean toInclusive)

Description copied from interface: List

Returns a list containing a contiguous range of elements from this list.

Specified by:

range in interface LinkedList<E>

Specified by:

range in interface List<E>

Specified by:

range in class ConsList<E>

Parameters:

from - starting index for the range (zero-based)

fromInclusive - if true, the element at the from index will be included

to - end index for the range (zero-based)

toInclusive - if true, the element at the to index will be included

get

public E get(int i)

Description copied from interface: List

Returns the element at the specified index in this list (zero-based).

last

@Nullable
public E last()

Description copied from interface: List

Returns last element in the list or null if the list is empty.