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> Unreal Engine API Reference > Plugins > GeometricObjects > Util > BufferUtil::CountValid

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BufferUtil::CountValid

Count number of elements in array (or within requested range) that pass Predicate test

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References

Module	GeometricObjects
Header	/Engine/Plugins/Experimental/GeometryProcessing/Source/GeometricObjects/Public/Util/BufferUtil.h
Include	#include "Util/BufferUtil.h"

Syntax

namespace BufferUtil
{
    template<typename T>
    int BufferUtil::CountValid
    (
        const TArray< T > & Data,
        const TFunction< bool> & Predicate,
        int MaxIndex,
        int StartIndex
    )
}

Remarks

Count number of elements in array (or within requested range) that pass Predicate test

Returns

number of values in array that returned true for Predicate

Parameters

Parameter	Description
Data	Array to process
Predicate	filtering function, return true indicates valid
MaxIndex	optional maximum index in array (exclusive, default is to use array size)
StartIndex	optional start index in array (default 0)

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