用template傳遞不固定Size之陣列給Function

用template傳遞不固定Size之陣列給Function.cpp

#include <iostream>
using namespace std;
/*
* @Function:
template<typename T,size_t N>
void fnChange(T (&arr)[N])
* @Brief: Let each element of array increase by one.
* @Input: 1D array
* @Output: The array whose elements all increase by 1
*/
template<typename T,size_t N>
void fnChange(T (&arr)[N])
{
    for(size_t i=0;i<N;++i)
    arr[i]+=1;
}

int main(int argc, char * argv[])
{
    int arr1D[3]={1,2,3};  // Create 1D array.
    int arr2D[3][2] = { {1,2},{3,4},{5,6}}; // Create 2D array.
    // Show the initialized result.
    for(int i=0;i<3;++i)
    {
        cout << arr1D[i] << endl;
    }
    fnChange(arr1D);
    // Show the result.
    for(int i=0;i<3;++i)
    {
        cout << arr1D[i] << endl;
    }
    return 0;
}