reverseArrInplacePointerTemplate

#include <iostream>

template <typename T>
T* reverse(T* srcB, T* srcE)
{
    T* origSrcB{srcB};
    --srcE;
    T tmp;

    while(srcB < srcE)
    {
        tmp = *srcB;
        *srcB++ = *srcE;
        *srcE-- = tmp;
    }

    return origSrcB;
}

template <typename T>
void print(T* begin, T* end)
{
    while (begin != end )
    {
        std::cout << *begin << ' ';
        ++begin;
    }
    std::cout << '\n';
}

int main()
{
    const int arrSize{10};
    int arr[arrSize]{1,2,3,4,5,6,7,8,9,10};
    char str[arrSize]{'a','b','c','d','e','f','g','h','i','j'};

    reverse(arr,arr+arrSize);
    print(arr,arr+arrSize);

    print(reverse(str,str+arrSize),str+arrSize);

    return 0;
}