Question

How to use constant reference to a vector of strings in C++

Answer 1

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

using std::cout;
using std::endl;
using std::vector;
using std::string;

void print(const vector<string> &vec)
{
	for (auto s : vec) {
		cout << s << endl;
	}
}

int main()
{
	vector<string> vec{ "c++", "java", "php" };

	print(vec);

	return 0;
}


/*
run:

c++
java
php

*/

 

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