[C++] 通用类型数组

Posted 2022-01-11 咸菜萝卜干

主函数

#include "通用类型数组.hpp"

class Person

public:
  Person() ;
  Person(string name, int age)
  
    this->m_name = name;
    this->m_age = age;
  

  string m_name;
  int m_age;
;

void myprintint(MyArray<int>& myintarray)

  for (int i = 0; i < myintarray.getsize(); i++)
  
    cout << myintarray[i] << endl;
  


void myprintperson(MyArray<Person>& mypersonarr)

  for (int i = 0; i < mypersonarr.getsize(); i++)
  
    cout <<"姓名 = " << mypersonarr[i].m_name <<" 年龄 =" << mypersonarr[i].m_age << endl;
  


int main()

  //int 
  MyArray<int> myintarray(100);
  for (int i = 0; i < 10; i++)
  
    myintarray.pushback(i + 100);
  
  myprintint(myintarray);

  cout << "-----" << endl;

  //Person
  MyArray<Person> mypersonarr(100);
  Person p1("孙悟空", 1);
  Person p2("猪八戒", 2);
  Person p3("沙悟净", 3);
  Person p4("唐三藏", 4);

  mypersonarr.pushback(p1);
  mypersonarr.pushback(p2);
  mypersonarr.pushback(p3);
  mypersonarr.pushback(p4); 
  myprintperson(mypersonarr);
  cout << "容量大小 = " << mypersonarr.getcapacity() << endl;
  cout << "数组大小 = " << mypersonarr.getsize() << endl;
  return 0;

头文件

#pragma once
#include <iostream>
#include <string>
using namespace std;


//类模板
template<class T>
class MyArray

public:
  //除非用户提供默认capacity 否则数组必须有默认构造


  //有参构造
  MyArray(int capacity)
  
    this->m_capacity = capacity;
    this->m_size = 0;
    this->paddress = new T[this->m_capacity];
  

  //拷贝构造
  MyArray(const MyArray& arr)
  
    this->m_capacity = arr.capacity;
    this->m_size = arr.m_size;
    this->paddress = new T[this->m_capacity];
    for (int i = 0; i < arr.m_size; i++)
    
      this->paddress[i] = arr.paddress[i];
    
  
  

  //重载=
  MyArray& operator = (const MyArray& arr)
  
    if (this->paddress)
    
      delete[] this->paddress;
      this->paddress = NULL;
    
    this->m_capacity = arr.capacity;
    this->m_size = arr.m_size;
    this->paddress = new T[this->m_capacity];
    for (int i = 0; i < arr.m_size; i++)
    
      this->paddress[i] = arr.paddress[i];
    

    return *this;
  
  
  //重载[]
  T& operator[](int index)
  
    return this->paddress[index];
  
  //尾插法
  void pushback(const T& val)
  
    if (this->m_capacity <= this->m_size)
    
      return;
    
    this->paddress[this->m_size] Android 逆向Android 逆向通用工具开发 ( Android 平台运行的 cmd 程序类型 | Android 平台运行的 cmd 程序编译选项 | 编译 cmd 可执行程序 )(代码片段

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