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#include <iostream>
using std::cout;
using std::endl;
using std::ostream;
using std::pair;
using std::make_pair;
// 记录
struct record
{
int key;
char data;
void output(ostream &out) const
{
out << key << ", " << data;
}
};
// 将记录输出到 cout
void output_records(const record *arr, size_t size)
{
for (size_t i = 0; i < size; ++i)
{
arr[i].output(cout);
cout << endl;
}
}
pair<record *, size_t> new_array()
{
const size_t size = 10;
record arr[size] =
{
{ 0, 'A' }
, { 1, 'B' }
, { 2, 'C' }
, { 3, 'C' }
, { 3, 'E' }
, { 5, 'F' }
, { 6, 'G' }
, { 7, 'H' }
, { 8, 'I' }
, { 9, 'J' }
};
return make_pair(arr, size);
}
int main()
{
auto arr_info = new_array();
output_records(arr_info.first, arr_info.second);
/*
输出:
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
*/
system("pause");
return 0;
}
#include <iostream>
using std::cout;
using std::endl;
using std::ostream;
using std::pair;
using std::make_pair;
// 记录
struct record
{
int key;
char data;
void output(ostream &out) const
{
out << key << ", " << data;
}
};
// 将记录输出到 cout
void output_records(const record *arr, size_t size)
{
for (size_t i = 0; i < size; ++i)
{
arr[i].output(cout);
cout << endl;
}
}
pair<record *, size_t> new_array()
{
const size_t size = 10;
static record arr[size] =
{
{ 0, 'A' }
, { 1, 'B' }
, { 2, 'C' }
, { 3, 'C' }
, { 3, 'E' }
, { 5, 'F' }
, { 6, 'G' }
, { 7, 'H' }
, { 8, 'I' }
, { 9, 'J' }
};
return make_pair(arr,size);
}
int main()
{
auto arr_info = new_array();
output_records(arr_info.first, arr_info.second);
/*
输出:
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
-858993460,
*/
system("pause");
return 0;
}