Interface IIndexed<T>

A sequenced collection, where indices of items in the order are maintained

Inherited Members
System.IFormattable.ToString(System.String, System.IFormatProvider)
System.Collections.Generic.IEnumerable<T>.GetEnumerator()
Namespace: Lucene.Net.Support.C5
Assembly: Lucene.Net.dll
Syntax
public interface IIndexed<T> : ISequenced<T>, ICollection<T>, IExtensible<T>, ICollection<T>, IDirectedCollectionValue<T>, ICollectionValue<T>, IShowable, IFormattable, IDirectedEnumerable<T>, IReadOnlyList<T>, IReadOnlyCollection<T>, IEnumerable<T>, IEnumerable
Type Parameters
Name Description
T

Properties

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IndexingSpeed

Declaration
Speed IndexingSpeed { get; }
Property Value
Type Description
Speed
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Item[Int32, Int32]

Declaration
IDirectedCollectionValue<T> this[int start, int count] { get; }
Parameters
Type Name Description
System.Int32 start

The low index of the interval (inclusive).
System.Int32 count

The size of the range.
Property Value
Type Description
IDirectedCollectionValue<T>

The directed collection of items in a specific index interval.
Exceptions
Type Condition
System.ArgumentOutOfRangeException

Methods

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FindIndex(Func<T, Boolean>)

Check if there exists an item that satisfies a specific predicate in this collection and return the index of the first one.

Declaration
int FindIndex(Func<T, bool> predicate)
Parameters
Type Name Description
System.Func<T, System.Boolean> predicate

A delegate (Func`2 with 

R == bool
) defining the predicate
Returns
Type Description
System.Int32

the index, if found, a negative value else
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FindLastIndex(Func<T, Boolean>)

Check if there exists an item that satisfies a specific predicate in this collection and return the index of the last one.

Declaration
int FindLastIndex(Func<T, bool> predicate)
Parameters
Type Name Description
System.Func<T, System.Boolean> predicate

A delegate (Func`2 with 

R == bool
) defining the predicate
Returns
Type Description
System.Int32

the index, if found, a negative value else
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IndexOf(T)

Searches for an item in the list going forwards from the start.

Declaration
int IndexOf(T item)
Parameters
Type Name Description
T item

Item to search for.
Returns
Type Description
System.Int32

Index of item from start. A negative number if item not found, namely the one's complement of the index at which the Add operation would put the item.
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LastIndexOf(T)

Searches for an item in the list going backwards from the end.

Declaration
int LastIndexOf(T item)
Parameters
Type Name Description
T item

Item to search for.
Returns
Type Description
System.Int32

Index of of item from the end. A negative number if item not found, namely the two-complement of the index at which the Add operation would put the item.
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RemoveAt(Int32)

Remove the item at a specific position of the list.

Declaration
T RemoveAt(int index)
Parameters
Type Name Description
System.Int32 index

The index of the item to remove.
Returns
Type Description
T

The removed item.
Exceptions
Type Condition
System.IndexOutOfRangeException

if 

index
is negative or

= the size of the collection.
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RemoveInterval(Int32, Int32)

Remove all items in an index interval.

Declaration
void RemoveInterval(int start, int count)
Parameters
Type Name Description
System.Int32 start

The index of the first item to remove.
System.Int32 count

The number of items to remove.
Exceptions
Type Condition
System.ArgumentOutOfRangeException

if start or count is negative or start+count > the size of the collection.

Extension Methods