How to create a function equal to Array.Copy from C # in C ++

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How to create a function equal to Array.Copy from C # in C ++

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#1 by (6 votes)

6

I would like to create a function similar to the Array.Copy of C # in C ++.

This function has the prototype like this:

public static void Copy(
    Array sourceArray,
    int sourceIndex,
    Array destinationArray,
    int destinationIndex,
    int length
);

And I would like to do a function that would do the same function in C ++.

I tried to do using for , but I could not make it work with destinationIndex .

My code:

template <T> void Buffer <T> ::copy(T * src, int indexSrc, T * dst, int indexDst, int elements) {
    for (int srcAux = indexSrc, dstAux = indexDst, int aux = 0; aux != elements; srcAux++, dstAux++, aux++) {
        dst[indexDst] = src[srcAux];
    }
}

c++ c# array

asked by anonymous 28.01.2016 / 17:47

1 answer

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score 6 · Accepted Answer

C ++ already has something ready to do this with std::copy() :

std::copy(std::begin(src), std::end(src), std::begin(dest));

Trying to translate the code from one language to another without understanding the language does not work. Each language has its own specificity and way of doing each operation.

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28.01.2016 / 19:11