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//Leif Messinger//Compile with C++ 20#include <iostream>#include <ranges>#include <vector>#include <functional>#include <cctype> //toupper#include <cxxabi.h>template <typename T>void printType(){std::cout << abi::__cxa_demangle(typeid(T).name(), NULL, NULL, NULL) << std::endl;}template <typename T>class Slicer{public:T begin_;T end_;T trueEnd;Slicer(T begin, T end): begin_(begin), end_(begin), trueEnd(end){}template<typename U>Slicer(U&& vec) : begin_(vec.begin()), end_(vec.begin()), trueEnd(vec.end()){}Slicer& finish(){begin_ = end_;end_ = trueEnd;return (*this);}Slicer& to(long int index){begin_ = end_;if(index > 0){end_ = (begin_ + index);}else{index *= -1;end_ = (trueEnd - index);}return (*this);}Slicer& operator[](long int index){return to(index);}T begin(){return this->begin_;}T end(){return this->end_;}Slicer& operator()(std::function<void(decltype(*begin_))> func) {for(decltype(*begin_) thing : (*this)){func(thing);}return (*this);}};static_assert(std::ranges::range< Slicer<std::vector<int>::const_iterator> >);int main(){std::string vec = "abcdefghijklmnopqrstuvwxyz";Slicer<std::string::const_iterator> bruh(vec);//printType<decltype(bruh)>();bruh.to(3)([](char yeet){std::cout << yeet;}).to(-1)([](char yeet){std::cout << char(std::toupper(yeet));}).finish()([](char yeet){std::cout << yeet << yeet << yeet << yeet << yeet;});std::cout << std::endl << std::endl;int arr[] = {1, 2, 3, 4, 5, 6, 7, 8};Slicer<int*> arrSlicer(arr, arr + (sizeof(arr)/sizeof(int)));std::cout << "[";arrSlicer.to(-1)([](int yeet){std::cout << yeet << ", ";}).finish()([](int yeet){std::cout << yeet << "]" << std::endl;});return 0;}
int main()
#include "goat.h" //include goat.hvoid Goat::setBreed(string breed) {this->breed = breed;}void Goat::setWeight(float weight) {this->weight = weight;}void Goat::setName(string name) {this->name = name;}void Goat::setGender(char gender) {this->gender = gender;}void Goat::setSpayed(bool goatIsSpayed) {this->goatIsSpayed = goatIsSpayed;}void Goat::setRegistrationID(string registrationID) {this->registrationID = registrationID;}void Goat::setColor(string color) {this->color = color;}void Goat::setOtherComments(string otherComments) {this->otherComments = otherComments;}string Goat::getBreed() {return breed;}float Goat::getWeight() {return weight;}string Goat::getName() {return name;}char Goat::getGender() {return gender;}bool Goat::getSpayed() {return goatIsSpayed;}string Goat::getRegistrationID() {return registrationID;}string Goat::getColor() {return color;}string Goat::getOtherComments() {return otherComments;}Goat::Goat() {breed = "";weight = 0.0;name = "";gender = '\0';goatIsSpayed = false;registrationID = "";color = "";otherComments = "";}Goat::Goat(string goatBreed, float goatWeight, string goatName, char goatGender, bool goatSpayedStatus, string goatRegistrationID, string goatColor, string goatOtherComments) {breed = goatBreed;weight = goatWeight;name = goatName;gender = goatGender;goatIsSpayed = goatSpayedStatus;registrationID = goatRegistrationID;color = goatColor;otherComments = goatOtherComments;}Goat::~Goat() {cout << "goat destroyed" << endl;}void Goat::printinfo() {cout << "Breed: " << breed << endl << "weight: " << weight << endl << "Name: " << name << endl << "Gender: " << gender << endl << "is Spayed: ";if(goatIsSpayed) { //here I do a logical test on boolean goatIsSpayed. if true cout << true else cout << falsecout << "True";} else {cout << "False";}cout << endl << "Registration ID: " << registrationID << endl << "Color Description: " << color << endl << "Other Comments: " << otherComments << endl << endl;}
#include <iostream>using namespace std;int main() {cout << "Hello World!\n";// Prints out "Hello World"return 0;}
#include <string>#include <iostream>#include "PlaylistNode.h"using namespace std;PlaylistNode::PlaylistNode() {uniqueID = "none";songName = "none";artistName = "none";songLength = 0;nextNodePtr = 0;}PlaylistNode::PlaylistNode(string uniqueID_, string songName_, string artistName_, int songLength_) {uniqueID = uniqueID_;songName = songName_;artistName = artistName_;songLength = songLength_;nextNodePtr = 0;}void PlaylistNode::InsertAfter(PlaylistNode* ptr) {this->SetNext(ptr->GetNext());ptr->SetNext(this);}void PlaylistNode::SetNext(PlaylistNode* ptr) {nextNodePtr = ptr;}string PlaylistNode::GetID() {return uniqueID;}string PlaylistNode::GetSongName() {return songName;}string PlaylistNode::GetArtistName() {return artistName;}int PlaylistNode::GetSongLength() {return songLength;}PlaylistNode* PlaylistNode::GetNext() {return nextNodePtr;}void PlaylistNode::PrintPlaylistNode() {cout << "Unique ID: " << uniqueID << endl;cout << "Song Name: " << songName << endl;cout << "Artist Name: " << artistName << endl;cout << "Song Length (in seconds): " << songLength << endl;}Playlist::Playlist() {head = tail = 0;}void Playlist::AddSong(string id, string songname, string artistname, int length) {PlaylistNode* n = new PlaylistNode(id, songname, artistname, length);if (head == 0) {head = tail = n;}else {n->InsertAfter(tail);tail = n;}}bool Playlist::RemoveSong(string id) {if (head == NULL) {cout << "Playlist is empty" << endl;return false;}PlaylistNode* curr = head;PlaylistNode* prev = NULL;while (curr != NULL) {if (curr->GetID() == id) {break;}prev = curr;curr = curr->GetNext();}if (curr == NULL) {cout << "\"" << curr->GetSongName() << "\" is not found" << endl;return false;}else {if (prev != NULL) {prev ->SetNext(curr->GetNext());}else {head = curr->GetNext();}if (tail == curr) {tail = prev;}cout << "\"" << curr->GetSongName() << "\" removed." << endl;delete curr;return true;}}bool Playlist::ChangePosition(int oldPos, int newPos) {if (head == NULL) {cout << "Playlist is empty" << endl;return false;}PlaylistNode* prev = NULL;PlaylistNode* curr = head;int pos;if (head == NULL || head == tail) {return false;}for (pos = 1; curr != NULL && pos < oldPos; pos++) {prev = curr;curr = curr->GetNext();}if (curr != NULL) {string currentSong = curr->GetSongName();if (prev == NULL) {head = curr->GetNext();}else {prev->SetNext(curr->GetNext());}if (curr == tail) {tail = prev;}PlaylistNode* curr1 = curr;prev = NULL;curr = head;for (pos = 1; curr != NULL && pos < newPos; pos++) {prev = curr;curr = curr->GetNext();}if (prev == NULL) {curr1->SetNext(head);head = curr1;}else {curr1->InsertAfter(prev);}if (curr == NULL) {tail = curr1;}cout << "\"" << currentSong << "\" moved to position " << newPos << endl;return true;}else {cout << "Song's current position is invalid" << endl;return false;}}void Playlist::SongsByArtist(string artist) {if (head == NULL) {cout << "Playlist is empty" << endl;}else {PlaylistNode* curr = head;int i = 1;while (curr != NULL) {if (curr->GetArtistName() == artist) {cout << endl << i << "." << endl;curr->PrintPlaylistNode();}curr = curr->GetNext();i++;}}}int Playlist::TotalTime() {int total = 0;PlaylistNode* curr = head;while (curr != NULL) {total += curr->GetSongLength();curr = curr->GetNext();}return total;}void Playlist::PrintList() {if (head == NULL) {cout << "Playlist is empty" << endl;}else {PlaylistNode* curr = head;int i = 1;while (curr != NULL) {cout << endl << i++ << "." << endl;curr->PrintPlaylistNode();curr = curr->GetNext();}}}
#include <iostream>using namespace std;int main {cout << 1;}