array.cpp

#include <iostream>
#include <string>
#include <map>
#include <vector>

using namespace std;

class Array
{
	vector<map<string,string>> array;

	public:
		int length(){ return array.size(); };
		
		int indexOf(string key)
		{
			if(length() > 0){
				int i = -1;

				for(auto data:this->array){
					i++;
					if(data.count(key) > 0){
						return i;
						break;
					}else{
						return -1;
					}
				}
			}else{
				return -1;
			}
		}

		void push(string key, string value)
		{
			if(indexOf(key) == -1){
				map<string,string> data;
				
				data.insert(pair<string,string>(key,value));

				this->array.push_back(data);
			}
		}

		string get(string key)
		{
			return indexOf(key) == -1 
			? "key not found" : this->array.at(indexOf(key))[key];
		}

};

int main(int argc,char** argv)
{
	Array array;
	
	array.push("url","https://gist.github.com/");

	cout << "url : " << array.get("url") << endl;

	return 0;
}