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Abstract Data Types (ADT)

L1

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ADTStack.cpp
/******************************************************************************
 * This program demonstrates the Stack ADT
 * 
 * Copyright © 2021 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#include "Utils.hpp"
#include <clocale>
#include <codecvt>
#include <iostream>
#include <memory>
#include <string>
#include <vector>

std::locale utf8loc(std::locale(), new std::codecvt_utf8<wchar_t>);
using namespace std;

class IntegerStack {
private:
// Internal representation for the stack is a list
	vector<int> stack = {};

public:
	IntegerStack() noexcept {
		stack = {};
	}

	int pop() {
		if (stack.size() == 0) {
			throw runtime_error(Utils::wchar_to_UTF8(L"Can't pop on empty stack!"));
		}
		return Utils::pop(stack);
	}

	void push(int value) noexcept {
		Utils::push(stack, value);
	}

	int peek() {
		if (stack.size() == 0) {
			throw runtime_error(Utils::wchar_to_UTF8(L"Can't peek on empty stack!"));
		}
		return stack[stack.size() - 1];
	}
};

int main(int argc, char **argv) {
	setlocale(LC_ALL, "en_US.UTF-8");
	wcout.imbue(utf8loc);
	wcin.imbue(utf8loc);

	shared_ptr<IntegerStack> stack(new IntegerStack());
	for (auto x = 1; x <= 10; ++x) {
		stack->push(x);
	}
	try {
		wcout << stack->peek() << endl;
		for (auto x = 1; x <= 11; ++x) {
			wcout << stack->pop() << endl;
		}
	} catch (runtime_error ex) {
		wcout << Utils::exceptionMessage<wchar_t>(ex) << endl;
	}
	return 0;
}
Output
$ g++ -std=c++17 ADTStack.cpp -o ADTStack -lfmt $ ./ADTStack 10 10 9 8 7 6 5 4 3 2 1 St13runtime_error: Can't pop on empty stack!
HelloWorld.cpp
/******************************************************************************
 * Simple first program.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#include <iostream>
#include <string>

using namespace std;

int main(int argc, char **argv) {
	cout << "Hello, world!" << endl;
	return 0;
}
Output
$ g++ -std=c++17 HelloWorld.cpp -o HelloWorld -lfmt $ ./HelloWorld Hello, world!
HelloWorld.cpp
/******************************************************************************
 * Simple first program.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#include <iostream>
#include <string>

using namespace std;

int main(int argc, char **argv) {
	cout << "Hello, world!" << endl;
	return 0;
}
Output
$ g++ -std=c++17 HelloWorld.cpp -o HelloWorld -lfmt $ ./HelloWorld Hello, world!
cpp

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