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#ifndef GS_CLI
#define GS_CLI
#include <iostream>
#include <limits>
#include <stdio.h>
namespace cli {
template <typename T>
void readUserInput(T& outValue, const char* enter_message, const char* error_message) {
std::cout << enter_message;
std::cin >> outValue;
while (std::cin.fail()) {
std::cerr << error_message << std::endl;
std::cin.clear();
std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
std::cout << enter_message;
std::cin >> outValue;
}
}
template <typename T>
void readUserInputMax(T& outValue, T max_value, const char* enter_message, const char* error_message) {
readUserInput(outValue, enter_message, error_message);
while (outValue >= max_value) {
std::cerr << error_message << std::endl;
readUserInput(outValue, enter_message, error_message);
}
}
template <typename T, typename U>
void scanTwoValues(const char* format, T& outFirst, U& outSecond, const char* enter_message, const char* error_message) {
std::cout << enter_message;
while (scanf(format, &outFirst, &outSecond) != 2) {
std::cerr << error_message << std::endl;
std::cout << enter_message;
std::cin.clear();
std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
}
}
}
#endif /* GS_CLI */
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