#include <iostream>

#include <typeinfo>

using namespace std;

class Bean{

private:

    int a;

public:

    Bean(){

        this->a = ;

    }

    Bean(int a){

        this->a = a;

    }

    ~Bean(){}

    int getA(){

        return a;

    }

    // 重载==操作符

    bool operator==(Bean to){

        cout<<"Bean重载操作符==进行比较"<<endl;

        return this->a == to.a;

    }

    bool operator>(Bean to){

        cout<<"Bean重载操作符>进行比较"<<endl;

        return this->a > to.a;

    }

    friend ostream & operator<<(ostream &out, Bean obj){

        cout<<"bean a值："<< obj.a<<endl;

        return out;

    }

};

// 模板方法实践

template<class Type>

Type maxV(Type a, Type b){

    //cout<<" typeid(a).name(): "<< typeid(a).name()<<endl;

    return a > b ? a : b;

}

// 重载方法

int maxV(int a, int b){

    cout<<" 重载函数"<<endl;

    return a > b ? a : b;

}

template<class K, class V>

class MyMap{

private:

    K keys[];

    V values[];

    int count = ;

public:

    void put(K key, V value){

        keys[count] = key;

        values[count] = value;

        count++;

    }

    V get(K key){

//        if(key == NULL){

//            cout << "入参key为空，返回NULL" << endl;

//            return (V)NULL;

//        }

        for(int i = ; i< count; i++){

            if(keys[i] == key){

                cout << "命中下标：" << i << endl;

                return values[i];

            }

        }

        cout << "找不到key，返回NULL" << endl;

        return (V)NULL;

    }

};

int main() {

    cout << "模板函数1 实践：" << endl;

    cout<<"maxV(11,220): "<<maxV(,)<<endl;

    cout<<"maxV(11.1f,220.1f): "<<maxV(11.1f,220.1f)<<endl;

    cout<<"max(11.1L,220.1L): "<<maxV(.1L,.1L)<<endl;

    cout<<"max('a','c'): "<<maxV('a','c')<<endl<<endl;

    MyMap<int,double> map;

    map.put(, );

    map.put(, );

    map.put(, );

    map.put(, );

    cout<<"map.get(1): "<<map.get()<<endl;

    cout<<"map.get(44): "<<map.get()<<endl;

    cout<<"map.get(55): "<<map.get()<<endl;

    cout<<"map.get(1): "<<map.get((int)NULL)<<endl;

    MyMap<Bean,int> beanMap;

    beanMap.put(Bean(), );

    beanMap.put(Bean(), );

    beanMap.put(Bean(), );

    cout<<"beanMap.get(Bean(1)): "<<beanMap.get(Bean())<<endl;

    cout<<"maxV(Bean(1),Bean(11)): "<<maxV(Bean(),Bean())<<endl<<endl;

    cout << "\n模板函数 end." << endl;

    return ;

}