forked from Speiger/Primitive-Collections
435 lines
13 KiB
Plaintext
435 lines
13 KiB
Plaintext
package speiger.src.collections.PACKAGE.lists;
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import java.util.Arrays;
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#if TYPE_OBJECT
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import java.util.Comparator;
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#endif
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import java.util.Collection;
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import java.util.Objects;
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#if TYPE_OBJECT
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import java.util.function.Consumer;
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#endif
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import java.util.function.Predicate;
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import java.util.function.UnaryOperator;
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#if PRIMITIVES
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import java.util.function.JAVA_PREDICATE;
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import java.util.function.JAVA_UNARY_OPERATOR;
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#endif
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import speiger.src.collections.PACKAGE.collections.COLLECTION;
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#if !TYPE_OBJECT
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import speiger.src.collections.PACKAGE.functions.COMPARATOR;
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import speiger.src.collections.PACKAGE.functions.CONSUMER;
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import speiger.src.collections.PACKAGE.utils.ARRAYS;
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#endif
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import speiger.src.collections.PACKAGE.functions.consumer.BI_OBJECT_CONSUMER;
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import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
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import speiger.src.collections.objects.utils.ObjectArrays;
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import speiger.src.collections.PACKAGE.utils.ITERATORS;
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#if PRIMITIVES
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import java.util.stream.JAVA_STREAM;
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import java.util.stream.StreamSupport;
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#endif
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import speiger.src.collections.PACKAGE.collections.SPLIT_ITERATOR;
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import speiger.src.collections.PACKAGE.utils.SPLIT_ITERATORS;
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import speiger.src.collections.utils.SanityChecks;
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#if TYPE_OBJECT
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/**
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* A Type-Specific Immutable implementation of list that is written to reduce (un)boxing
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*
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* @Type(T)
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*/
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public class IMMUTABLE_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENERIC_TYPE
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#else
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/**
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* A Type-Specific Immutable implementation of list that is written to reduce (un)boxing
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*/
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public class IMMUTABLE_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENERIC_TYPE
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#endif
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{
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/** The backing array */
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protected transient KEY_TYPE[] data;
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/**
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* Creates a new Immutable copy of the contents of the Collection.
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* @param c the elements that should be added into the list
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*/
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@Primitive
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public IMMUTABLE_LIST(Collection<? extends CLASS_TYPE> c) {
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data = ARRAYS.pour(ITERATORS.wrap(c.iterator()));
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}
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/**
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* Creates a new Immutable copy of the contents of the Collection.
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* @param c the elements that should be added into the list
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*/
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public IMMUTABLE_LIST(COLLECTION KEY_GENERIC_TYPE c) {
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data = ARRAYS.pour(c.iterator());
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}
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/**
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* Creates a new Immutable copy of the contents of the List.
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* @param l the elements that should be added into the list
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*/
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public IMMUTABLE_LIST(LIST KEY_GENERIC_TYPE l) {
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KEY_TYPE[] temp = NEW_KEY_ARRAY(l.size());
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l.getElements(0, temp, 0, l.size());
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data = temp;
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}
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/**
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* Creates a new Immutable copy of the contents of the Array.
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* @param a the array that should be copied
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*/
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public IMMUTABLE_LIST(KEY_TYPE... a) {
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this(a, 0, a.length);
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}
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/**
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* Creates a new ImmutableList copy of the array with a custom length
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* @param a the array that should be copied
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* @param length the desired length that should be copied
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*/
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public IMMUTABLE_LIST(KEY_TYPE[] a, int length) {
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this(a, 0, length);
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}
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/**
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* Creates a new ImmutableList copy of the array with in the custom range.
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* @param a the array that should be copied
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* @param offset the starting offset of where the array should be copied from
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* @param length the desired length that should be copied
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* @throws IllegalStateException if offset is smaller then 0
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* @throws IllegalStateException if the offset + length exceeds the array length
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*/
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public IMMUTABLE_LIST(KEY_TYPE[] a, int offset, int length) {
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SanityChecks.checkArrayCapacity(a.length, offset, length);
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data = Arrays.copyOfRange(a, offset, offset+length);
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}
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@Override
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public boolean add(KEY_TYPE e) { throw new UnsupportedOperationException(); }
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@Override
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public void add(int index, KEY_TYPE e) { throw new UnsupportedOperationException(); }
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@Override
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@Primitive
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public boolean addAll(int index, Collection<? extends CLASS_TYPE> c) { throw new UnsupportedOperationException(); }
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@Override
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public boolean addAll(int index, COLLECTION KEY_GENERIC_TYPE c) { throw new UnsupportedOperationException(); }
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@Override
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public boolean addAll(int index, LIST KEY_GENERIC_TYPE c) { throw new UnsupportedOperationException(); }
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@Override
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public void addElements(int from, KEY_TYPE[] a, int offset, int length) { throw new UnsupportedOperationException(); }
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@Override
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public KEY_TYPE[] getElements(int from, KEY_TYPE[] a, int offset, int length) {
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SanityChecks.checkArrayCapacity(data.length, offset, length);
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System.arraycopy(data, from, a, offset, length);
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return a;
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}
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@Override
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public void removeElements(int from, int to) { throw new UnsupportedOperationException(); }
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#if TYPE_OBJECT
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@Override
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public <K> K[] extractElements(int from, int to, Class<K> type) { throw new UnsupportedOperationException(); }
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#else
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@Override
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public KEY_TYPE[] extractElements(int from, int to) { throw new UnsupportedOperationException(); }
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#endif
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/**
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* A function to find if the Element is present in this list.
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* @param o the element that is searched for
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* @return if the element was found.
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*/
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@Override
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@Primitive
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public boolean contains(Object o) {
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return indexOf(o) != -1;
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}
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/**
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* A function to find the index of a given element
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* @param o the element that is searched for
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* @return the index of the element if found. (if not found then -1)
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*/
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@Override
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@Primitive
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public int indexOf(Object o) {
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#if TYPE_OBJECT
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if(o == null) {
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for(int i = 0,m=data.length;i<m;i++)
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if(data[i] == null) return i;
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return -1;
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}
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#else
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if(o == null) return -1;
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#endif
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for(int i = 0,m=data.length;i<m;i++) {
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if(EQUALS_KEY_TYPE(data[i], o)) return i;
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}
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return -1;
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}
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/**
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* A function to find the last index of a given element
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* @param o the element that is searched for
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* @return the last index of the element if found. (if not found then -1)
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*/
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@Override
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@Primitive
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public int lastIndexOf(Object o) {
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#if TYPE_OBJECT
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if(o == null) {
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for(int i = data.length - 1;i>=0;i--)
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if(data[i] == null) return i;
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return -1;
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}
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#else
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if(o == null) return -1;
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#endif
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for(int i = data.length - 1;i>=0;i--) {
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if(EQUALS_KEY_TYPE(data[i], o)) return i;
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}
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return -1;
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}
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#if TYPE_OBJECT
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@Override
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public void sort(Comparator<? super CLASS_TYPE> c) { throw new UnsupportedOperationException(); }
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@Override
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public void unstableSort(Comparator<? super CLASS_TYPE> c) { throw new UnsupportedOperationException(); }
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#else
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/**
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* A Type Specific implementation of the Collection#contains function.
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* @param e the element that is searched for.
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* @return if the element was found
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*/
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@Override
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public boolean contains(KEY_TYPE e) {
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return indexOf(e) != -1;
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}
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/**
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* A Type-Specific function to find the index of a given element
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* @param e the element that is searched for
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* @return the index of the element if found. (if not found then -1)
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*/
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@Override
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public int indexOf(KEY_TYPE e) {
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for(int i = 0,m=data.length;i<m;i++) {
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if(KEY_EQUALS(data[i], e)) return i;
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}
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return -1;
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}
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/**
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* A Type-Specific function to find the last index of a given element
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* @param e the element that is searched for
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* @return the last index of the element if found. (if not found then -1)
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*/
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@Override
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public int lastIndexOf(KEY_TYPE e) {
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for(int i = data.length - 1;i>=0;i--) {
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if(KEY_EQUALS(data[i], e)) return i;
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}
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return -1;
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}
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@Override
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public void sort(COMPARATOR c) { throw new UnsupportedOperationException(); }
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@Override
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public void unstableSort(COMPARATOR c) { throw new UnsupportedOperationException(); }
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#endif
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/**
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* A Type-Specific get function to reduce (un)boxing
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* @param index the index of the element to fetch
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* @return the value of the requested index
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* @throws IndexOutOfBoundsException if the index is out of range
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*/
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@Override
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public KEY_TYPE GET_KEY(int index) {
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checkRange(index);
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return data[index];
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}
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/**
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* A Type Specific foreach function that reduces (un)boxing
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*
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* @implSpec
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* <p>The default implementation behaves as if:
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* <pre>{@code
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* for(int i = 0;i<size;i++)
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* action.accept(data[i]);
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* }</pre>
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*
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* @param action The action to be performed for each element
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* @throws NullPointerException if the specified action is null
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* @see Iterable#forEach(java.util.function.Consumer)
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*/
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@Override
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public void forEach(CONSUMER KEY_SUPER_GENERIC_TYPE action) {
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Objects.requireNonNull(action);
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for(int i = 0,m=data.length;i<m;i++)
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action.accept(data[i]);
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}
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@Override
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public <E> void forEach(E input, BI_OBJECT_CONSUMER KEY_VALUE_SPECIAL_GENERIC_TYPE action) {
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Objects.requireNonNull(action);
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for(int i = 0,m=data.length;i<m;i++)
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action.accept(data[i], input);
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}
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@Override
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public boolean matchesAny(PREDICATE KEY_GENERIC_TYPE filter) {
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Objects.requireNonNull(filter);
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for(int i = 0,m=data.length;i<m;i++) {
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if(filter.TEST_VALUE(data[i])) return true;
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}
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return false;
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}
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@Override
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public boolean matchesNone(PREDICATE KEY_GENERIC_TYPE filter) {
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Objects.requireNonNull(filter);
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for(int i = 0,m=data.length;i<m;i++) {
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if(filter.TEST_VALUE(data[i])) return false;
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}
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return true;
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}
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@Override
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public boolean matchesAll(PREDICATE KEY_GENERIC_TYPE filter) {
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Objects.requireNonNull(filter);
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for(int i = 0,m=data.length;i<m;i++) {
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if(!filter.TEST_VALUE(data[i])) return false;
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}
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return true;
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}
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@Override
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public KEY_TYPE findFirst(PREDICATE KEY_GENERIC_TYPE filter) {
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Objects.requireNonNull(filter);
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for(int i = 0,m=data.length;i<m;i++) {
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if(filter.TEST_VALUE(data[i])) return data[i];
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}
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return EMPTY_VALUE;
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}
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@Override
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public KEY_TYPE set(int index, KEY_TYPE e) { throw new UnsupportedOperationException(); }
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@Override
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@Primitive
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public void replaceAll(UnaryOperator<CLASS_TYPE> o) { throw new UnsupportedOperationException(); }
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#if PRIMITIVES
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@Override
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public void REPLACE(JAVA_UNARY_OPERATOR o) { throw new UnsupportedOperationException(); }
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#endif
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@Override
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public KEY_TYPE REMOVE(int index) { throw new UnsupportedOperationException(); }
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#if !TYPE_OBJECT
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@Override
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public boolean REMOVE_KEY(KEY_TYPE type) { throw new UnsupportedOperationException(); }
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#endif
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@Override
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@Primitive
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public boolean removeAll(Collection<?> c) { throw new UnsupportedOperationException(); }
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@Override
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@Primitive
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public boolean retainAll(Collection<?> c) { throw new UnsupportedOperationException(); }
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@Override
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@Primitive
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public boolean removeIf(Predicate<? super CLASS_TYPE> filter) { throw new UnsupportedOperationException(); }
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@Override
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public boolean removeAll(COLLECTION KEY_GENERIC_TYPE c) { throw new UnsupportedOperationException(); }
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@Override
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public boolean retainAll(COLLECTION KEY_GENERIC_TYPE c) { throw new UnsupportedOperationException(); }
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#if PRIMITIVES
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@Override
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public boolean remIf(JAVA_PREDICATE filter) { throw new UnsupportedOperationException(); }
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#endif
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/**
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* A toArray implementation that ensures the Array itself is a Object.
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* @return a Array of the elements in the list
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*/
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@Override
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@Primitive
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public Object[] toArray() {
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Object[] obj = new Object[data.length];
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for(int i = 0,m=data.length;i<m;i++)
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obj[i] = KEY_TO_OBJ(data[i]);
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return obj;
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}
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/**
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* A toArray implementation that ensures the Array itself is a Object.
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* @param a original array. If null a Object array with the right size is created. If to small the Array of the same type is created with the right size
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* @return a Array of the elements in the list
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*/
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@Override
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@Primitive
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public <E> E[] toArray(E[] a) {
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if(a == null) a = (E[])new Object[data.length];
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else if(a.length < data.length) a = (E[])ObjectArrays.newArray(a.getClass().getComponentType(), data.length);
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for(int i = 0,m=data.length;i<m;i++)
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a[i] = (E)KEY_TO_OBJ(data[i]);
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return a;
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}
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#if !TYPE_OBJECT
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@Override
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public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] a) {
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if(a.length < data.length) a = new KEY_TYPE[data.length];
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System.arraycopy(data, 0, a, 0, data.length);
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return a;
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}
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#endif
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/**
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* A function to return the size of the list
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* @return the size of elements in the list
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*/
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@Override
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public int size() {
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return data.length;
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}
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@Override
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public void size(int size) { throw new UnsupportedOperationException(); }
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@Override
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public void clear() { throw new UnsupportedOperationException(); }
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protected void checkRange(int index) {
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if (index < 0 || index >= data.length)
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throw new IndexOutOfBoundsException("Index: " + index + ", Size: " + data.length);
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}
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#if PRIMITIVES
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/**
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* Returns a Java-Type-Specific Stream to reduce boxing/unboxing.
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* @return a Stream of the closest java type
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* @note characteristics are ordered, sized, subsized
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*/
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@Override
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public JAVA_STREAM primitiveStream() { return StreamSupport.NEW_STREAM(SPLIT_ITERATORS.createArrayJavaSplititerator(data, data.length, 16464), false); }
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#endif
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/**
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* A Type Specific Type Splititerator to reduce boxing/unboxing
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* @return type specific splititerator
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* @note characteristics are ordered, sized, subsized
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*/
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@Override
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public SPLIT_ITERATOR KEY_GENERIC_TYPE spliterator() { return SPLIT_ITERATORS.createArraySplititerator(data, data.length, 16464); }
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} |