runoob_06_array

/*
 * @Author: by777
 * @Date: 2025-03-21 17:18:39
 * @LastEditors: by777
 * @LastEditTime: 2025-03-21 17:29:08
 * @FilePath: /cxx_stl/runoob_06.cpp
 * @Description: https://www.runoob.com/cplusplus/cpp-libs-array.html
 * 
 * Copyright (c) 2025 by by777, All Rights Reserved. 
 */
#include <iostream>
#include <array>
using namespace std;
int main(int argc, const char** argv) {
    array<int, 5> myArray = {1, 2, 3, 4, 5};
    int i = 0;
    for(const auto& value: myArray){
        i ++;
        cout<<value<<" ";

    }
    cout<<endl;

    // at和[]从0开始
    cout<<myArray.at(2)<<endl;
    cout<<myArray.size()<<endl;
    myArray[3] = 10;
    for(const auto& value: myArray){
        i ++;
        cout<<value<<" ";

    }
    cout<<"首元素: "<<myArray.front()<<" 尾元素: "<<myArray.back()<<endl;

    // catch exception
    try{
        myArray.at(10);
    }catch(const std::out_of_range& e){
        cerr<<"Error: "<<e.what()<<endl;
    }
    // fill
    myArray.fill(100);
    for(const auto& value: myArray){
        i ++;
        cout<<value<<" ";
    }
    // swap
    array<int, 5> myArray2 = {101, 102, 103, 104, 105};
    myArray.swap(myArray2);
    cout<<"myArray"<<endl;
    for(const auto& value: myArray){
        i ++;
        cout<<value<<" ";
    }
    cout<<"myArray2"<<endl;

    for(const auto& value: myArray2){
        i ++;
        cout<<value<<" ";
    }
    return 0;
}