input.cpp

/* 2017 Dennis Kupec | MIT License */

#include <iostream>
#include <functional>
#include <string>

#define Str(s) std::to_string(s)

using namespace std;


template <typename T> T get_input(const string msg);
template <typename T> T get_input(const string msg, function<bool(string)> verify);


template <typename T> T get_input(const string msg)
{
	T in;

	do {
		cout << msg;
		getline(cin, in);
	}
	while (cin.fail());

	return in;
}


template <typename T> T get_input(const string msg, function<bool(string)> verify)
{
	T in;

	do {
		cout << msg;
		getline(cin, in);
	}
	while (cin.fail() || !verify(in));

	return in;
}