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

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Algo::Partition

Rearranges the elements so that all the elements for which Predicate returns true precede all those for which it returns false.

Windows

MacOS

Linux

References

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

Syntax

namespace Algo
{
    template<class T, typename IndexType, class UnaryPredicate>
    IndexType Algo::Partition
    (
        T * Elements,
        const IndexType Num,
        const UnaryPredicate & Predicate
    )
}

Remarks

Rearranges the elements so that all the elements for which Predicate returns true precede all those for which it returns false. (not stable)

Returns

index of the first element in the second group

Parameters

Parameter	Description
First	pointer to the first element
Num	the number of items
Predicate	unary predicate class

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