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RankedMapTKey, TValueIndexOfKey Method

Gets the index of the first element with the supplied key.

Namespace:  Kaos.Collections
Assembly:  KaosCollections (in KaosCollections.dll) Version: 4.2.0.0
Syntax
C#
Copy
public int IndexOfKey(
	TKey key
)

Parameters

key
Type: TKey
The key of the element to find.

Return Value

Type: Int32
The index of the first element containing key if found; otherwise a negative value holding the bitwise complement of the insert point.
Exceptions
ExceptionCondition
ArgumentNullExceptionWhen key is null.
Remarks

Elements with multiple occurrences of a key will return the occurrence with the lowest index. If an element containing key is not found, apply the bitwise complement operator (~) to the result to get the index of the next higher item.

This is a O(log n) operation.

See Also