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> Unreal Engine API Reference > Runtime > Core > Algo > Algo::BinarySearch > Algo::BinarySearch

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Algo::BinarySearch

Returns index to the first found element matching a value in a range, the range must be sorted by <

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References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/Algo/BinarySearch.h
Include	#include "Algo/BinarySearch.h"

Syntax

namespace Algo
{
    template<typename RangeType, typename ValueType, typename SortPredicateType>
    auto Algo::BinarySearch
    (
        RangeType & Range,
        const ValueType & Value,
        SortPredicateType SortPredicate
    )
}

Remarks

Returns index to the first found element matching a value in a range, the range must be sorted by <

Returns

Index of found element, or INDEX_NONE

Parameters

Parameter	Description
Range	The range to search, must be already sorted by SortPredicate
Value	The value to search for
SortPredicate	Predicate for sort comparison, defaults to <

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