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templateTest.cpp
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templateTest.cpp
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#include <iostream>
using namespace std;
template <typename T>
void Swap(T &a, T &b); // 模板1:交换基本类型的值
template <typename T>
void Swap(T a[], T b[], int len); // 模板2:交换两个数组
void printArray(int arr[], int size);
int main()
{
// 交换基本类型的值
int m = 10, n = 99;
Swap(m, n); // 匹配模板1
cout << "m=" << m << ",n=" << n << endl;
// 交换两个数组
int arr1[] = {1, 2, 3, 4, 5};
int arr2[] = {10, 20, 30, 40, 50};
int len = sizeof(arr1) / sizeof(int);
Swap(arr1, arr2, len); // 匹配模板2
printArray(arr1, len);
printArray(arr2, len);
return 0;
}
template <typename T>
void Swap(T &a, T &b)
{
T temp = a;
a = b;
b = temp;
}
template <typename T>
void Swap(T a[], T b[], int len)
{
T temp;
for (int i = 0; i < len; i++)
{
temp = a[i];
a[i] = b[i];
b[i] = temp;
}
}
void printArray(int arr[], int size)
{
for (int i = 0; i < size; i++)
{
if (i == size - 1)
{
cout << arr[i] << endl;
}
else
{
cout << arr[i] << ",";
}
}
}