cust_std_lib_facilities.cpp

#include "cust_std_lib_facilities.h"
#include <iostream>
#include <chrono>
#include <stdexcept>
#include <random>
#include <string>

int randint(int min, int max)
{
    using namespace std;

    auto seed = chrono::system_clock::now().time_since_epoch().count();
    static default_random_engine ran(seed);
    return uniform_int_distribution<>{min, max}(ran);
}

void keep_window_open()
{
    using namespace std;
    cin.clear();
    cout << "Please enter a character to exit\n";
    char ch;
    cin >> ch;
    return;
}

void keep_window_open(std::string s)
{
    using namespace std;
    if (s == "") return;
    cin.clear();
    cin.ignore(120, '\n');
    for (;;) {
        cout << "Please enter " << s << " to exit\n";
        string ss;
        while (cin >> ss && ss != s)
            cout << "Please enter " << s << " to exit\n";
        return;
    }
}

void error(const std::string& s)
{
    using namespace std;
    throw runtime_error(s);
}

void error(const std::string& s, const std::string& s2)
{
    error(s + s2);
}