no operator "<<" matches these operands

Hello, I am trying to write a simple program that demonstrates the use of a structure in an assignment. I keep getting the error no operator "<<" matches these operands on the second "<<" in all three cout statements in the main function. I tried googling it first but in each example of this error I found the author had forgotten "include <string>", however, I cannot see anything I forgot to include. Do you see what is wrong?
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 #include <iostream>
using namespace std;

struct StatePoll
{
	int rep_votes;
	int dem_votes;
	int ind_votes;
};

void get_vote_data(StatePoll &thing);
void print_bar(int num);

void main()
{

	StatePoll thing;

	get_vote_data(thing);

	cout<<" Republicans: "<<print_bar(thing.rep_votes)<<"\n";
	cout<<"   Democrats: "<<print_bar(thing.dem_votes)<<"\n";
	cout<<"Independents: "<<print_bar(thing.ind_votes)<<"\n";

	system("pause");
}

void get_vote_data(StatePoll &thing)
{
	cout<<"Number of votes for republicans: ";
	cin>>thing.rep_votes;
	cout<<"\n\n";

	cout<<"Number of votes for democrats: ";
	cin>>thing.dem_votes;
	cout<<"\n\n";

	cout<<"Number of votes for indepentents: ";
	cin>>thing.ind_votes;
	cout<<"\n\n";

}

void print_bar(int num)
{
	int dots = num/1000;

	if(num % 1000 != 0)
	{
		dots += dots;
	}

	for(int x=0; x<dots; x++)
	{
		cout<<"*";
	}

	cout<<"\n";
}‚Äč
Last edited on
You're passing the return value of the print_bar function into the stream operator. However, print_bar is a void function and doesn't return anything.
Oh I see, so I need to use the print_bar function outside of my cout statements. Thanks!
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