结构体初始化中的数组赋值

#include<iostream>

using namespace std;

struct Param
{
float a[5];
int nA;
};

int main()
{
struct Param param =
{
{ 2.12, 3.14 },        //a[5]
2,                    //nA
};
for (int i = 0; i < (param.nA); i++)
{
cout << (param.a[i]) << endl;
}
return 0;
}