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MatrixFirstOrNullT Method

Gets the indices of the first element matching a certain criteria, or null if the element could not be found.

Namespace:  Accord.Math
Assembly:  Accord.Math (in Accord.Math.dll) Version: 3.8.0
public static Nullable<int> FirstOrNull<T>(
	this T[] data,
	Func<T, bool> func
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Type: T
The array to search inside.
Type: SystemFuncT, Boolean
The search criteria.

Type Parameters

The type of the array.

Return Value

Type: NullableInt32

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type . 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