Class ListUtilityExtensions

This is an extension implementation of the most common methods on the ListUtility class.

Inheritance

System.Object

ListUtilityExtensions

Namespace: Cuemon.Collections.Generic

Assembly: Cuemon.Core.dll

Syntax

public static class ListUtilityExtensions

Methods

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HasIndex<TSource>(IList<TSource>, Int32)

Determines whether the elements of the System.Collections.Generic.IList<T> is within the range of the index.

Declaration

public static bool HasIndex<TSource>(this IList<TSource> elements, int index)

Parameters

Type	Name	Description
System.Collections.Generic.IList<TSource>	elements	The elements of the System.Collections.Generic.IList<T>.
System.Int32	index	The index to find.

Returns

Type	Description
System.Boolean	`true` if the specified `index` is within the range of the `elements`; otherwise, `false`.

Type Parameters

Name	Description
TSource	The type of elements in the System.Collections.Generic.IList<T>.

Exceptions

Type	Condition
System.ArgumentNullException	`elements` is null.

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Next<TSource>(IList<TSource>, Int32)

Returns the next element of elements relative to index, or the last element of elements if index is equal or greater than System.Collections.Generic.ICollection<T>.Count.

Declaration

public static TSource Next<TSource>(this IList<TSource> elements, int index)

Parameters

Type	Name	Description
System.Collections.Generic.IList<TSource>	elements	The elements, relative to `index`, to return the next element of.
System.Int32	index	The index of which to advance to the next element from.

Returns

Type	Description
TSource	default(TSource) if `index` is equal or greater than System.Collections.Generic.ICollection<T>.Count; otherwise the next element of `elements` relative to `index`.

Type Parameters

Name	Description
TSource	The type of elements in the System.Collections.Generic.IList<T>.

Exceptions

Type	Condition
System.ArgumentOutOfRangeException	`index` is less than 0.

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Previous<TSource>(IList<TSource>, Int32)

Returns the previous element of elements relative to index, or the first or last element of elements if index is equal, greater or lower than System.Collections.Generic.ICollection<T>.Count.

Declaration

public static TSource Previous<TSource>(this IList<TSource> elements, int index)

Parameters

Type	Name	Description
System.Collections.Generic.IList<TSource>	elements	The elements, relative to `index`, to return the previous element of.
System.Int32	index	The index of which to advance to the previous element from.

Returns

Type	Description
TSource	default(TSource) if `index` is equal, greater or lower than System.Collections.Generic.ICollection<T>.Count; otherwise the previous element of `elements` relative to `index`.

Type Parameters

Name	Description
TSource	The type of elements in the System.Collections.Generic.IList<T>.

Exceptions

Type	Condition
System.ArgumentOutOfRangeException	`index` is less than 0.