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MoreEnumerableRankByTSource, TKey Method (IEnumerableTSource, FuncTSource, TKey)

Ranks each item in the sequence in descending ordering by a specified key using a default comparer

Namespace:  MoreLinq
Assembly:  MoreLinq (in MoreLinq.dll) Version: 2.4.0
public static IEnumerable<int> RankBy<TSource, TKey>(
	this IEnumerable<TSource> source,
	Func<TSource, TKey> keySelector


Type: System.Collections.GenericIEnumerableTSource
The sequence of items to rank
Type: SystemFuncTSource, TKey
A key selector function which returns the value by which to rank items in the sequence

Type Parameters

The type of the elements in the source sequence
The type of the key used to rank items in the sequence

Return Value

Type: IEnumerableInt32
A sequence of position integers representing the ranks of the corresponding items in the sequence

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableTSource. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also