Merge pull request #235 from Falling-in-W-sweetty/patch-6

Update 计数器前后自增.cpp
This commit is contained in:
Francis
2022-10-28 15:33:55 +08:00
committed by GitHub

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@@ -1,4 +1,4 @@
//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>counter<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ּ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ּ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>
//设计一个计数器counter用类成员重载自增运算符实现计数器的自增用友元重载实现计数器的自减。
#include<iostream>
using namespace std;
class Counter{
@@ -17,16 +17,18 @@ Counter Counter::operator++(){
return *this;
}
Counter Counter::operator++(int){
Counter t=*this;
n++;
return *this;
return t;
}
Counter operator--(Counter &c){
--c.n;
return c;
}
Counter operator--(Counter &c,int){
Counter t=*this;
c.n--;
return c;
return t;
}
void Counter::display(){
cout<<"counter number="<<n<<endl;