Program1_2.cpp

#include <iostream>
#include <limits>
#include <string_view>

#include "Program1_2.h"

namespace programs
{
namespace
{
	template <typename Integer>
	void printRange()
	{
		std::cout << '[' << std::numeric_limits<Integer>::lowest() << ", "
			<< std::numeric_limits<Integer>::max() << ']';
	}

	template <typename Integer>
	bool readAndWriteInteger(std::string_view article, std::string_view typeName)
	{
		std::cout << "Enter " << article << ' ' << typeName << " value in the range ";
		printRange<Integer>();
		std::cout << ": " << std::flush;

		Integer value{};
		if (!(std::cin >> value))
		{
			return false;
		}

		std::cout << "The " << typeName << " value is " << value << '\n';
		return true;
	}
}

void runProgram1_2()
{
	if (!readAndWriteInteger<short>("a", "short int"))
	{
		return;
	}

	if (!readAndWriteInteger<unsigned short>("an", "unsigned short int"))
	{
		return;
	}

	if (!readAndWriteInteger<int>("an", "int"))
	{
		return;
	}

	if (!readAndWriteInteger<unsigned int>("an", "unsigned int"))
	{
		return;
	}

	if (!readAndWriteInteger<long>("a", "long int"))
	{
		return;
	}

	readAndWriteInteger<unsigned long>("an", "unsigned long int");
}
}