int d;

int daySinceModification;

var dataFromDb = db.GetFromService().ToList();

var listOfEmployee = _employeeService.GetEmployees().ToList();

int iCounter;
string strFullName;
DateTime dModifiedDate;

int counter;
string fullName;
DateTime modifiedDate;

public bool IsShopOpen(string pDay, int pAmount)
{
    // some logic
}

public bool IsShopOpen(string day, int amount)
{
    // some logic
}

const int DAYS_IN_WEEK = 7;
const int daysInMonth = 30;

var songs = new List<string> { 'Back In Black', 'Stairway to Heaven', 'Hey Jude' };
var Artists = new List<string> { 'ACDC', 'Led Zeppelin', 'The Beatles' };

bool EraseDatabase() {}
bool Restore_database() {}

class animal {}
class Alpaca {}

const int DaysInWeek = 7;
const int DaysInMonth = 30;

var songs = new List<string> { 'Back In Black', 'Stairway to Heaven', 'Hey Jude' };
var artists = new List<string> { 'ACDC', 'Led Zeppelin', 'The Beatles' };

bool EraseDatabase() {}
bool RestoreDatabase() {}

class Animal {}
class Alpaca {}

public class Employee
{
    public Datetime sWorkDate { get; set; } // what the heck is this
    public Datetime modTime { get; set; } // same here
}

public class Employee
{
    public Datetime StartWorkingDate { get; set; }
    public Datetime ModificationTime { get; set; }
}

var employeephone;

public double CalculateSalary(int workingdays, int workinghours)
{
    // some logic
}

var employeePhone;

public double CalculateSalary(int workingDays, int workingHours)
{
    // some logic
}

public class SingleObject
{
    // create an object of SingleObject
    private static SingleObject _instance = new SingleObject();

    // make the constructor private so that this class cannot be instantiated
    private SingleObject() {}

    // get the only object available
    public static SingleObject GetInstance()
    {
        return _instance;
    }

    public string ShowMessage()
    {
        return "Hello World!";
    }
}

public static void main(String[] args)
{
    // illegal construct
    // var object = new SingleObject();

    // Get the only object available
    var singletonObject = SingleObject.GetInstance();

    // show the message
    singletonObject.ShowMessage();
}

public bool IsShopOpen(string day)
{
    if (!string.IsNullOrEmpty(day))
    {
        day = day.ToLower();
        if (day == "friday")
        {
            return true;
        }
        else if (day == "saturday")
        {
            return true;
        }
        else if (day == "sunday")
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    else
    {
        return false;
    }

}

public bool IsShopOpen(string day)
{
    if (string.IsNullOrEmpty(day))
    {
        return false;
    }

    var openingDays = new[] { "friday", "saturday", "sunday" };
    return openingDays.Any(d => d == day.ToLower());
}

public long Fibonacci(int n)
{
    if (n < 50)
    {
        if (n != 0)
        {
            if (n != 1)
            {
                return Fibonacci(n - 1) + Fibonacci(n - 2);
            }
            else
            {
                return 1;
            }
        }
        else
        {
            return 0;
        }
    }
    else
    {
        throw new System.Exception("Not supported");
    }
}

public long Fibonacci(int n)
{
    if (n == 0)
    {
        return 0;
    }

    if (n == 1)
    {
        return 1;
    }

    if (n > 50)
    {
        throw new System.Exception("Not supported");
    }

    return Fibonacci(n - 1) + Fibonacci(n - 2);
}

var l = new[] { "Austin", "New York", "San Francisco" };

for (var i = 0; i < l.Count(); i++)
{
    var li = l[i];
    DoStuff();
    DoSomeOtherStuff();

    // ...
    // ...
    // ...
    // Wait, what is `li` for again?
    Dispatch(li);
}

var locations = new[] { "Austin", "New York", "San Francisco" };

foreach (var location in locations)
{
    DoStuff();
    DoSomeOtherStuff();

    // ...
    // ...
    // ...
    Dispatch(location);
}

if (userRole == "Admin")
{
    // logic in here
}

const string ADMIN_ROLE = "Admin"
if (userRole == ADMIN_ROLE)
{
    // logic in here
}

public class Car
{
    public string CarMake { get; set; }
    public string CarModel { get; set; }
    public string CarColor { get; set; }

    //...
}

public class Car
{
    public string Make { get; set; }
    public string Model { get; set; }
    public string Color { get; set; }

    //...
}

var ymdstr = DateTime.UtcNow.ToString("MMMM dd, yyyy");

var currentDate = DateTime.UtcNow.ToString("MMMM dd, yyyy");

GetUserInfo();
GetUserData();
GetUserRecord();
GetUserProfile();

GetUser();

// What the heck is data for?
var data = new { Name = "John", Age = 42 };

var stream1 = new MemoryStream();
var ser1 = new DataContractJsonSerializer(typeof(object));
ser1.WriteObject(stream1, data);

stream1.Position = 0;
var sr1 = new StreamReader(stream1);
Console.Write("JSON form of Data object: ");
Console.WriteLine(sr1.ReadToEnd());

var person = new Person
{
    Name = "John",
    Age = 42
};

var stream2 = new MemoryStream();
var ser2 = new DataContractJsonSerializer(typeof(Person));
ser2.WriteObject(stream2, data);

stream2.Position = 0;
var sr2 = new StreamReader(stream2);
Console.Write("JSON form of Data object: ");
Console.WriteLine(sr2.ReadToEnd());

var data = new { Name = "John", Age = 42, PersonAccess = 4};

// What the heck is 4 for?
if (data.PersonAccess == 4)
{
    // do edit ...
}

public enum PersonAccess : int
{
    ACCESS_READ = 1,
    ACCESS_CREATE = 2,
    ACCESS_UPDATE = 4,
    ACCESS_DELETE = 8
}

var person = new Person
{
    Name = "John",
    Age = 42,
    PersonAccess= PersonAccess.ACCESS_CREATE
};

if (person.PersonAccess == PersonAccess.ACCESS_UPDATE)
{
    // do edit ...
}

const string Address = "One Infinite Loop, Cupertino 95014";
var cityZipCodeRegex = @"/^[^,\]+[,\\s]+(.+?)\s*(\d{5})?$/";
var matches = Regex.Matches(Address, cityZipCodeRegex);
if (matches[0].Success == true && matches[1].Success == true)
{
    SaveCityZipCode(matches[0].Value, matches[1].Value);
}

const string Address = "One Infinite Loop, Cupertino 95014";
var cityZipCodeWithGroupRegex = @"/^[^,\]+[,\\s]+(?<city>.+?)\s*(?<zipCode>\d{5})?$/";
var matchesWithGroup = Regex.Match(Address, cityZipCodeWithGroupRegex);
var cityGroup = matchesWithGroup.Groups["city"];
var zipCodeGroup = matchesWithGroup.Groups["zipCode"];
if(cityGroup.Success == true && zipCodeGroup.Success == true)
{
    SaveCityZipCode(cityGroup.Value, zipCodeGroup.Value);
}

public void CreateMicrobrewery(string name = null)
{
    var breweryName = !string.IsNullOrEmpty(name) ? name : "Hipster Brew Co.";
    // ...
}

public void CreateMicrobrewery(string breweryName = "Hipster Brew Co.")
{
    // ...
}

// Global variable referenced by following function.
// If we had another function that used this name, now it'd be an array and it could break it.
var name = "Ryan McDermott";

public void SplitAndEnrichFullName()
{
    var temp = name.Split(" ");
    name = $"His first name is {temp[0]}, and his last name is {temp[1]}"; // side effect
}

SplitAndEnrichFullName();

Console.WriteLine(name); // His first name is Ryan, and his last name is McDermott

public string SplitAndEnrichFullName(string name)
{
    var temp = name.Split(" ");
    return $"His first name is {temp[0]}, and his last name is {temp[1]}";
}

var name = "Ryan McDermott";
var fullName = SplitAndEnrichFullName(name);

Console.WriteLine(name); // Ryan McDermott
Console.WriteLine(fullName); // His first name is Ryan, and his last name is McDermott

public bool IsDOMNodeNotPresent(string node)
{
    // ...
}

if (!IsDOMNodeNotPresent(node))
{
    // ...
}

public bool IsDOMNodePresent(string node)
{
    // ...
}

if (IsDOMNodePresent(node))
{
    // ...
}

class Airplane
{
    // ...

    public double GetCruisingAltitude()
    {
        switch (_type)
        {
            case '777':
                return GetMaxAltitude() - GetPassengerCount();
            case 'Air Force One':
                return GetMaxAltitude();
            case 'Cessna':
                return GetMaxAltitude() - GetFuelExpenditure();
        }
    }
}

interface IAirplane
{
    // ...

    double GetCruisingAltitude();
}

class Boeing777 : IAirplane
{
    // ...

    public double GetCruisingAltitude()
    {
        return GetMaxAltitude() - GetPassengerCount();
    }
}

class AirForceOne : IAirplane
{
    // ...

    public double GetCruisingAltitude()
    {
        return GetMaxAltitude();
    }
}

class Cessna : IAirplane
{
    // ...

    public double GetCruisingAltitude()
    {
        return GetMaxAltitude() - GetFuelExpenditure();
    }
}

public Path TravelToTexas(object vehicle)
{
    if (vehicle.GetType() == typeof(Bicycle))
    {
        (vehicle as Bicycle).PeddleTo(new Location("texas"));
    }
    else if (vehicle.GetType() == typeof(Car))
    {
        (vehicle as Car).DriveTo(new Location("texas"));
    }
}

public Path TravelToTexas(Traveler vehicle)
{
    vehicle.TravelTo(new Location("texas"));
}

// pattern matching
public Path TravelToTexas(object vehicle)
{
    if (vehicle is Bicycle bicycle)
    {
        bicycle.PeddleTo(new Location("texas"));
    }
    else if (vehicle is Car car)
    {
        car.DriveTo(new Location("texas"));
    }
}

public int Combine(dynamic val1, dynamic val2)
{
    int value;
    if (!int.TryParse(val1, out value) || !int.TryParse(val2, out value))
    {
        throw new Exception('Must be of type Number');
    }

    return val1 + val2;
}

public int Combine(int val1, int val2)
{
    return val1 + val2;
}

public void CreateFile(string name, bool temp = false)
{
    if (temp)
    {
        Touch("./temp/" + name);
    }
    else
    {
        Touch(name);
    }
}

public void CreateFile(string name)
{
    Touch(name);
}

public void CreateTempFile(string name)
{
    Touch("./temp/"  + name);
}

public Dictionary<string, string> Config()
{
    return new Dictionary<string,string>(){
        ["foo"] = "bar"
    };
}

class Configuration
{
    private Dictionary<string, string> _configuration;

    public Configuration(Dictionary<string, string> configuration)
    {
        _configuration = configuration;
    }

    public string[] Get(string key)
    {
        return _configuration.ContainsKey(key) ? _configuration[key] : null;
    }
}

var configuration = new Configuration(new Dictionary<string, string>() {
    ["foo"] = "bar"
});

class DBConnection
{
    private static DBConnection _instance;

    private DBConnection()
    {
        // ...
    }

    public static GetInstance()
    {
        if (_instance == null)
        {
            _instance = new DBConnection();
        }

        return _instance;
    }

    // ...
}

var singleton = DBConnection.GetInstance();

class DBConnection
{
    public DBConnection(IOptions<DbConnectionOption> options)
    {
        // ...
    }

    // ...
}

var options = <resolve from IOC>;
var connection = new DBConnection(options);

public void CreateMenu(string title, string body, string buttonText, bool cancellable)
{
    // ...
}

public class MenuConfig
{
    public string Title { get; set; }
    public string Body { get; set; }
    public string ButtonText { get; set; }
    public bool Cancellable { get; set; }
}

var config = new MenuConfig
{
    Title = "Foo",
    Body = "Bar",
    ButtonText = "Baz",
    Cancellable = true
};

public void CreateMenu(MenuConfig config)
{
    // ...
}

public void SendEmailToListOfClients(string[] clients)
{
    foreach (var client in clients)
    {
        var clientRecord = db.Find(client);
        if (clientRecord.IsActive())
        {
            Email(client);
        }
    }
}

public void SendEmailToListOfClients(string[] clients)
{
    var activeClients = GetActiveClients(clients);
    // Do some logic
}

public List<Client> GetActiveClients(string[] clients)
{
    return db.Find(clients).Where(s => s.Status == "Active");
}

public class Email
{
    //...

    public void Handle()
    {
        SendMail(this._to, this._subject, this._body);
    }
}

var message = new Email(...);
// What is this? A handle for the message? Are we writing to a file now?
message.Handle();

public class Email
{
    //...

    public void Send()
    {
        SendMail(this._to, this._subject, this._body);
    }
}

var message = new Email(...);
// Clear and obvious
message.Send();

public string ParseBetterJSAlternative(string code)
{
    var regexes = [
        // ...
    ];

    var statements = explode(" ", code);
    var tokens = new string[] {};
    foreach (var regex in regexes)
    {
        foreach (var statement in statements)
        {
            // ...
        }
    }

    var ast = new string[] {};
    foreach (var token in tokens)
    {
        // lex...
    }

    foreach (var node in ast)
    {
        // parse...
    }
}

public string Tokenize(string code)
{
    var regexes = new string[]
    {
        // ...
    };

    var statements = explode(" ", code);
    var tokens = new string[] {};
    foreach (var regex in regexes)
    {
        foreach (var statement in statements)
        {
            tokens[] = /* ... */;
        }
    }

    return tokens;
}

public string Lexer(string[] tokens)
{
    var ast = new string[] {};
    foreach (var token in tokens)
    {
        ast[] = /* ... */;
    }

    return ast;
}

public string ParseBetterJSAlternative(string code)
{
    var tokens = Tokenize(code);
    var ast = Lexer(tokens);
    foreach (var node in ast)
    {
        // parse...
    }
}

class Tokenizer
{
    public string Tokenize(string code)
    {
        var regexes = new string[] {
            // ...
        };

        var statements = explode(" ", code);
        var tokens = new string[] {};
        foreach (var regex in regexes)
        {
            foreach (var statement in statements)
            {
                tokens[] = /* ... */;
            }
        }

        return tokens;
    }
}

class Lexer
{
    public string Lexify(string[] tokens)
    {
        var ast = new[] {};
        foreach (var token in tokens)
        {
            ast[] = /* ... */;
        }

        return ast;
    }
}

class BetterJSAlternative
{
    private string _tokenizer;
    private string _lexer;

    public BetterJSAlternative(Tokenizer tokenizer, Lexer lexer)
    {
        _tokenizer = tokenizer;
        _lexer = lexer;
    }

    public string Parse(string code)
    {
        var tokens = _tokenizer.Tokenize(code);
        var ast = _lexer.Lexify(tokens);
        foreach (var node in ast)
        {
            // parse...
        }
    }
}

class PerformanceReview
{
    private readonly Employee _employee;

    public PerformanceReview(Employee employee)
    {
        _employee = employee;
    }

    private IEnumerable<PeersData> LookupPeers()
    {
        return db.lookup(_employee, 'peers');
    }

    private ManagerData LookupManager()
    {
        return db.lookup(_employee, 'manager');
    }

    private IEnumerable<PeerReviews> GetPeerReviews()
    {
        var peers = LookupPeers();
        // ...
    }

    public PerfReviewData PerfReview()
    {
        GetPeerReviews();
        GetManagerReview();
        GetSelfReview();
    }

    public ManagerData GetManagerReview()
    {
        var manager = LookupManager();
    }

    public EmployeeData GetSelfReview()
    {
        // ...
    }
}

var  review = new PerformanceReview(employee);
review.PerfReview();

class PerformanceReview
{
    private readonly Employee _employee;

    public PerformanceReview(Employee employee)
    {
        _employee = employee;
    }

    public PerfReviewData PerfReview()
    {
        GetPeerReviews();
        GetManagerReview();
        GetSelfReview();
    }

    private IEnumerable<PeerReviews> GetPeerReviews()
    {
        var peers = LookupPeers();
        // ...
    }

    private IEnumerable<PeersData> LookupPeers()
    {
        return db.lookup(_employee, 'peers');
    }

    private ManagerData GetManagerReview()
    {
        var manager = LookupManager();
        return manager;
    }

    private ManagerData LookupManager()
    {
        return db.lookup(_employee, 'manager');
    }

    private EmployeeData GetSelfReview()
    {
        // ...
    }
}

var review = new PerformanceReview(employee);
review.PerfReview();

if (article.state == "published")
{
    // ...
}

if (article.IsPublished())
{
    // ...
}

public void OldRequestModule(string url)
{
    // ...
}

public void NewRequestModule(string url)
{
    // ...
}

var request = NewRequestModule(requestUrl);
InventoryTracker("apples", request, "www.inventory-awesome.io");

public void RequestModule(string url)
{
    // ...
}

var request = RequestModule(requestUrl);
InventoryTracker("apples", request, "www.inventory-awesome.io");

class BankAccount
{
    public double Balance = 1000;
}

var bankAccount = new BankAccount();

// Fake buy shoes...
bankAccount.Balance -= 100;

class BankAccount
{
    private double _balance = 0.0D;

    pubic double Balance {
        get {
            return _balance;
        }
    }

    public BankAccount(balance = 1000)
    {
       _balance = balance;
    }

    public void WithdrawBalance(int amount)
    {
        if (amount > _balance)
        {
            throw new Exception('Amount greater than available balance.');
        }

        _balance -= amount;
    }

    public void DepositBalance(int amount)
    {
        _balance += amount;
    }
}

var bankAccount = new BankAccount();

// Buy shoes...
bankAccount.WithdrawBalance(price);

// Get balance
balance = bankAccount.Balance;

class Employee
{
    public string Name { get; set; }

    public Employee(string name)
    {
        Name = name;
    }
}

var employee = new Employee("John Doe");
Console.WriteLine(employee.Name); // Employee name: John Doe

class Employee
{
    public string Name { get; }

    public Employee(string name)
    {
        Name = name;
    }
}

var employee = new Employee("John Doe");
Console.WriteLine(employee.Name); // Employee name: John Doe

public static class ListExtensions
{
    public static List<T> FluentAdd<T>(this List<T> list, T item)
    {
        list.Add(item);
        return list;
    }

    public static List<T> FluentClear<T>(this List<T> list)
    {
        list.Clear();
        return list;
    }

    public static List<T> FluentForEach<T>(this List<T> list, Action<T> action)
    {
        list.ForEach(action);
        return list;
    }

    public static List<T> FluentInsert<T>(this List<T> list, int index, T item)
    {
        list.Insert(index, item);
        return list;
    }

    public static List<T> FluentRemoveAt<T>(this List<T> list, int index)
    {
        list.RemoveAt(index);
        return list;
    }

    public static List<T> FluentReverse<T>(this List<T> list)
    {
        list.Reverse();
        return list;
    }
}

internal static void ListFluentExtensions()
{
    var list = new List<int>() { 1, 2, 3, 4, 5 }
        .FluentAdd(1)
        .FluentInsert(0, 0)
        .FluentRemoveAt(1)
        .FluentReverse()
        .FluentForEach(value => value.WriteLine())
        .FluentClear();
}

class Employee
{
    private string Name { get; set; }
    private string Email { get; set; }

    public Employee(string name, string email)
    {
        Name = name;
        Email = email;
    }

    // ...
}

// Bad because Employees "have" tax data.
// EmployeeTaxData is not a type of Employee

class EmployeeTaxData : Employee
{
    private string Name { get; }
    private string Email { get; }

    public EmployeeTaxData(string name, string email, string ssn, string salary)
    {
         // ...
    }

    // ...
}

class EmployeeTaxData
{
    public string Ssn { get; }
    public string Salary { get; }

    public EmployeeTaxData(string ssn, string salary)
    {
        Ssn = ssn;
        Salary = salary;
    }

    // ...
}

class Employee
{
    public string Name { get; }
    public string Email { get; }
    public EmployeeTaxData TaxData { get; }

    public Employee(string name, string email)
    {
        Name = name;
        Email = email;
    }

    public void SetTax(string ssn, double salary)
    {
        TaxData = new EmployeeTaxData(ssn, salary);
    }

    // ...
}

class UserSettings
{
    private User User;

    public UserSettings(User user)
    {
        User = user;
    }

    public void ChangeSettings(Settings settings)
    {
        if (verifyCredentials())
        {
            // ...
        }
    }

    private bool VerifyCredentials()
    {
        // ...
    }
}

class UserAuth
{
    private User User;

    public UserAuth(User user)
    {
        User = user;
    }

    public bool VerifyCredentials()
    {
        // ...
    }
}

class UserSettings
{
    private User User;
    private UserAuth Auth;

    public UserSettings(User user)
    {
        User = user;
        Auth = new UserAuth(user);
    }

    public void ChangeSettings(Settings settings)
    {
        if (Auth.VerifyCredentials())
        {
            // ...
        }
    }
}

abstract class AdapterBase
{
    protected string Name;

    public string GetName()
    {
        return Name;
    }
}

class AjaxAdapter : AdapterBase
{
    public AjaxAdapter()
    {
        Name = "ajaxAdapter";
    }
}

class NodeAdapter : AdapterBase
{
    public NodeAdapter()
    {
        Name = "nodeAdapter";
    }
}

class HttpRequester : AdapterBase
{
    private readonly AdapterBase Adapter;

    public HttpRequester(AdapterBase adapter)
    {
        Adapter = adapter;
    }

    public bool Fetch(string url)
    {
        var adapterName = Adapter.GetName();

        if (adapterName == "ajaxAdapter")
        {
            return MakeAjaxCall(url);
        }
        else if (adapterName == "httpNodeAdapter")
        {
            return MakeHttpCall(url);
        }
    }

    private bool MakeAjaxCall(string url)
    {
        // request and return promise
    }

    private bool MakeHttpCall(string url)
    {
        // request and return promise
    }
}

interface IAdapter
{
    bool Request(string url);
}

class AjaxAdapter : IAdapter
{
    public bool Request(string url)
    {
        // request and return promise
    }
}

class NodeAdapter : IAdapter
{
    public bool Request(string url)
    {
        // request and return promise
    }
}

class HttpRequester
{
    private readonly IAdapter Adapter;

    public HttpRequester(IAdapter adapter)
    {
        Adapter = adapter;
    }

    public bool Fetch(string url)
    {
        return Adapter.Request(url);
    }
}

class Rectangle
{
    protected double Width = 0;
    protected double Height = 0;

    public Drawable Render(double area)
    {
        // ...
    }

    public void SetWidth(double width)
    {
        Width = width;
    }

    public void SetHeight(double height)
    {
        Height = height;
    }

    public double GetArea()
    {
        return Width * Height;
    }
}

class Square : Rectangle
{
    public double SetWidth(double width)
    {
        Width = Height = width;
    }

    public double SetHeight(double height)
    {
        Width = Height = height;
    }
}

Drawable RenderLargeRectangles(Rectangle rectangles)
{
    foreach (rectangle in rectangles)
    {
        rectangle.SetWidth(4);
        rectangle.SetHeight(5);
        var area = rectangle.GetArea(); // BAD: Will return 25 for Square. Should be 20.
        rectangle.Render(area);
    }
}

var rectangles = new[] { new Rectangle(), new Rectangle(), new Square() };
RenderLargeRectangles(rectangles);

abstract class ShapeBase
{
    protected double Width = 0;
    protected double Height = 0;

    abstract public double GetArea();

    public Drawable Render(double area)
    {
        // ...
    }
}

class Rectangle : ShapeBase
{
    public void SetWidth(double width)
    {
        Width = width;
    }

    public void SetHeight(double height)
    {
        Height = height;
    }

    public double GetArea()
    {
        return Width * Height;
    }
}

class Square : ShapeBase
{
    private double Length = 0;

    public double SetLength(double length)
    {
        Length = length;
    }

    public double GetArea()
    {
        return Math.Pow(Length, 2);
    }
}

Drawable RenderLargeRectangles(Rectangle rectangles)
{
    foreach (rectangle in rectangles)
    {
        if (rectangle is Square)
        {
            rectangle.SetLength(5);
        }
        else if (rectangle is Rectangle)
        {
            rectangle.SetWidth(4);
            rectangle.SetHeight(5);
        }

        var area = rectangle.GetArea();
        rectangle.Render(area);
    }
}

var shapes = new[] { new Rectangle(), new Rectangle(), new Square() };
RenderLargeRectangles(shapes);

public interface IEmployee
{
    void Work();
    void Eat();
}

public class Human : IEmployee
{
    public void Work()
    {
        // ....working
    }

    public void Eat()
    {
        // ...... eating in lunch break
    }
}

public class Robot : IEmployee
{
    public void Work()
    {
        //.... working much more
    }

    public void Eat()
    {
        //.... robot can't eat, but it must implement this method
    }
}

public interface IWorkable
{
    void Work();
}

public interface IFeedable
{
    void Eat();
}

public interface IEmployee : IFeedable, IWorkable
{
}

public class Human : IEmployee
{
    public void Work()
    {
        // ....working
    }

    public void Eat()
    {
        //.... eating in lunch break
    }
}

// robot can only work
public class Robot : IWorkable
{
    public void Work()
    {
        // ....working
    }
}

public abstract class EmployeeBase
{
    protected virtual void Work()
    {
        // ....working
    }
}

public class Human : EmployeeBase
{
    public override void Work()
    {
        //.... working much more
    }
}

public class Robot : EmployeeBase
{
    public override void Work()
    {
        //.... working much, much more
    }
}

public class Manager
{
    private readonly Robot _robot;
    private readonly Human _human;

    public Manager(Robot robot, Human human)
    {
        _robot = robot;
        _human = human;
    }

    public void Manage()
    {
        _robot.Work();
        _human.Work();
    }
}

public interface IEmployee
{
    void Work();
}

public class Human : IEmployee
{
    public void Work()
    {
        // ....working
    }
}

public class Robot : IEmployee
{
    public void Work()
    {
        //.... working much more
    }
}

public class Manager
{
    private readonly IEnumerable<IEmployee> _employees;

    public Manager(IEnumerable<IEmployee> employees)
    {
        _employees = employees;
    }

    public void Manage()
    {
        foreach (var employee in _employees)
        {
            _employee.Work();
        }
    }
}

public List<EmployeeData> ShowDeveloperList(Developers developers)
{
    foreach (var developers in developer)
    {
        var expectedSalary = developer.CalculateExpectedSalary();
        var experience = developer.GetExperience();
        var githubLink = developer.GetGithubLink();
        var data = new[] {
            expectedSalary,
            experience,
            githubLink
        };

        Render(data);
    }
}

public List<ManagerData> ShowManagerList(Manager managers)
{
    foreach (var manager in managers)
    {
        var expectedSalary = manager.CalculateExpectedSalary();
        var experience = manager.GetExperience();
        var githubLink = manager.GetGithubLink();
        var data =
        new[] {
            expectedSalary,
            experience,
            githubLink
        };

        render(data);
    }
}

public List<EmployeeData> ShowList(Employee employees)
{
    foreach (var employee in employees)
    {
        var expectedSalary = employees.CalculateExpectedSalary();
        var experience = employees.GetExperience();
        var githubLink = employees.GetGithubLink();
        var data =
        new[] {
            expectedSalary,
            experience,
            githubLink
        };

        render(data);
    }
}

public List<EmployeeData> ShowList(Employee employees)
{
    foreach (var employee in employees)
    {
        render(new[] {
            employee.CalculateExpectedSalary(),
            employee.GetExperience(),
            employee.GetGithubLink()
        });
    }
}

public class MakeDotNetGreatAgainTests
{
    [Fact]
    public void HandleDateBoundaries()
    {
        var date = new MyDateTime("1/1/2015");
        date.AddDays(30);
        Assert.Equal("1/31/2015", date);

        date = new MyDateTime("2/1/2016");
        date.AddDays(28);
        Assert.Equal("02/29/2016", date);

        date = new MyDateTime("2/1/2015");
        date.AddDays(28);
        Assert.Equal("03/01/2015", date);
    }
}

public class MakeDotNetGreatAgainTests
{
    [Fact]
    public void Handle30DayMonths()
    {
        // Arrange
        var date = new MyDateTime("1/1/2015");

        // Act
        date.AddDays(30);

        // Assert
        Assert.Equal("1/31/2015", date);
    }

    [Fact]
    public void HandleLeapYear()
    {
        // Arrange
        var date = new MyDateTime("2/1/2016");

        // Act
        date.AddDays(28);

        // Assert
        Assert.Equal("02/29/2016", date);
    }

    [Fact]
    public void HandleNonLeapYear()
    {
        // Arrange
        var date = new MyDateTime("2/1/2015");

        // Act
        date.AddDays(28);

        // Assert
        Assert.Equal("03/01/2015", date);
    }
}

try
{
    // Do something..
}
catch (Exception ex)
{
    // Any action something like roll-back or logging etc.
    throw ex;
}

try
{
    // Do something..
}
catch (Exception ex)
{
    // Any action something like roll-back or logging etc.
    throw;
}

try
{
    FunctionThatMightThrow();
}
catch (Exception ex)
{
    // silent exception
}

try
{
    FunctionThatMightThrow();
}
catch (Exception error)
{
    NotifyUserOfError(error);

    // Another option
    ReportErrorToService(error);
}

try
{
    // Do something..
}
catch (Exception ex)
{

    if (ex is TaskCanceledException)
    {
        // Take action for TaskCanceledException
    }
    else if (ex is TaskSchedulerException)
    {
        // Take action for TaskSchedulerException
    }
}

try
{
    // Do something..
}
catch (TaskCanceledException ex)
{
    // Take action for TaskCanceledException
}
catch (TaskSchedulerException ex)
{
    // Take action for TaskSchedulerException
}

try
{
    FunctionThatMightThrow();
}
catch (Exception ex)
{
    logger.LogInfo(ex);
    throw ex;
}

try
{
    FunctionThatMightThrow();
}
catch (Exception error)
{
    logger.LogInfo(error);
    throw;
}

try
{
    FunctionThatMightThrow();
}
catch (Exception error)
{
    logger.LogInfo(error);
    throw new CustomException(error);
}

root = true

[*]
indent_style = space
indent_size = 2
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true

# C# files
[*.cs]
indent_size = 4
# New line preferences
csharp_new_line_before_open_brace = all
csharp_new_line_before_else = true
csharp_new_line_before_catch = true
csharp_new_line_before_finally = true
csharp_new_line_before_members_in_object_initializers = true
csharp_new_line_before_members_in_anonymous_types = true
csharp_new_line_within_query_expression_clauses = true

# Code files
[*.{cs,csx,vb,vbx}]
indent_size = 4

# Indentation preferences
csharp_indent_block_contents = true
csharp_indent_braces = false
csharp_indent_case_contents = true
csharp_indent_switch_labels = true
csharp_indent_labels = one_less_than_current

# avoid this. unless absolutely necessary
dotnet_style_qualification_for_field = false:suggestion
dotnet_style_qualification_for_property = false:suggestion
dotnet_style_qualification_for_method = false:suggestion
dotnet_style_qualification_for_event = false:suggestion

# only use var when it's obvious what the variable type is
# csharp_style_var_for_built_in_types = false:none
# csharp_style_var_when_type_is_apparent = false:none
# csharp_style_var_elsewhere = false:suggestion

# use language keywords instead of BCL types
dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
dotnet_style_predefined_type_for_member_access = true:suggestion

# name all constant fields using PascalCase
dotnet_naming_rule.constant_fields_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.constant_fields_should_be_pascal_case.symbols  = constant_fields
dotnet_naming_rule.constant_fields_should_be_pascal_case.style    = pascal_case_style

dotnet_naming_symbols.constant_fields.applicable_kinds   = field
dotnet_naming_symbols.constant_fields.required_modifiers = const

dotnet_naming_style.pascal_case_style.capitalization = pascal_case

# static fields should have s_ prefix
dotnet_naming_rule.static_fields_should_have_prefix.severity = suggestion
dotnet_naming_rule.static_fields_should_have_prefix.symbols  = static_fields
dotnet_naming_rule.static_fields_should_have_prefix.style    = static_prefix_style

dotnet_naming_symbols.static_fields.applicable_kinds   = field
dotnet_naming_symbols.static_fields.required_modifiers = static

dotnet_naming_style.static_prefix_style.required_prefix = s_
dotnet_naming_style.static_prefix_style.capitalization = camel_case

# internal and private fields should be _camelCase
dotnet_naming_rule.camel_case_for_private_internal_fields.severity = suggestion
dotnet_naming_rule.camel_case_for_private_internal_fields.symbols  = private_internal_fields
dotnet_naming_rule.camel_case_for_private_internal_fields.style    = camel_case_underscore_style

dotnet_naming_symbols.private_internal_fields.applicable_kinds = field
dotnet_naming_symbols.private_internal_fields.applicable_accessibilities = private, internal

dotnet_naming_style.camel_case_underscore_style.required_prefix = _
dotnet_naming_style.camel_case_underscore_style.capitalization = camel_case

# Code style defaults
dotnet_sort_system_directives_first = true
csharp_preserve_single_line_blocks = true
csharp_preserve_single_line_statements = false

# Expression-level preferences
dotnet_style_object_initializer = true:suggestion
dotnet_style_collection_initializer = true:suggestion
dotnet_style_explicit_tuple_names = true:suggestion
dotnet_style_coalesce_expression = true:suggestion
dotnet_style_null_propagation = true:suggestion

# Expression-bodied members
csharp_style_expression_bodied_methods = false:none
csharp_style_expression_bodied_constructors = false:none
csharp_style_expression_bodied_operators = false:none
csharp_style_expression_bodied_properties = true:none
csharp_style_expression_bodied_indexers = true:none
csharp_style_expression_bodied_accessors = true:none

# Pattern matching
csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
csharp_style_inlined_variable_declaration = true:suggestion

# Null checking preferences
csharp_style_throw_expression = true:suggestion
csharp_style_conditional_delegate_call = true:suggestion

# Space preferences
csharp_space_after_cast = false
csharp_space_after_colon_in_inheritance_clause = true
csharp_space_after_comma = true
csharp_space_after_dot = false
csharp_space_after_keywords_in_control_flow_statements = true
csharp_space_after_semicolon_in_for_statement = true
csharp_space_around_binary_operators = before_and_after
csharp_space_around_declaration_statements = do_not_ignore
csharp_space_before_colon_in_inheritance_clause = true
csharp_space_before_comma = false
csharp_space_before_dot = false
csharp_space_before_open_square_brackets = false
csharp_space_before_semicolon_in_for_statement = false
csharp_space_between_empty_square_brackets = false
csharp_space_between_method_call_empty_parameter_list_parentheses = false
csharp_space_between_method_call_name_and_opening_parenthesis = false
csharp_space_between_method_call_parameter_list_parentheses = false
csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
csharp_space_between_method_declaration_name_and_open_parenthesis = false
csharp_space_between_method_declaration_parameter_list_parentheses = false
csharp_space_between_parentheses = false
csharp_space_between_square_brackets = false

[*.{asm,inc}]
indent_size = 8

# Xml project files
[*.{csproj,vcxproj,vcxproj.filters,proj,nativeproj,locproj}]
indent_size = 2

# Xml config files
[*.{props,targets,config,nuspec}]
indent_size = 2

[CMakeLists.txt]
indent_size = 2

[*.cmd]
indent_size = 2

////////////////////////////////////////////////////////////////////////////////
// Scope Model Instantiation
////////////////////////////////////////////////////////////////////////////////
var model = new[]
{
    menu: 'foo',
    nav: 'bar'
};

////////////////////////////////////////////////////////////////////////////////
// Action setup
////////////////////////////////////////////////////////////////////////////////
void Actions()
{
    // ...
};

#region Scope Model Instantiation

var model = {
    menu: 'foo',
    nav: 'bar'
};

#endregion

#region Action setup

void Actions() {
    // ...
};

#endregion

var model = new[]
{
    menu: 'foo',
    nav: 'bar'
};

void Actions()
{
    // ...
};

doStuff();
// doOtherStuff();
// doSomeMoreStuff();
// doSoMuchStuff();

doStuff();

/**
 * 2018-12-20: Removed monads, didn't understand them (RM)
 * 2017-10-01: Improved using special monads (JP)
 * 2016-02-03: Removed type-checking (LI)
 * 2015-03-14: Added combine with type-checking (JR)
 */
public int Combine(int a,int b)
{
    return a + b;
}

public int Combine(int a,int b)
{
    return a + b;
}

public int HashIt(string data)
{
    // The hash
    var hash = 0;

    // Length of string
    var length = data.length;

    // Loop through every character in data
    for (var i = 0; i < length; i++)
    {
        // Get character code.
        const char = data.charCodeAt(i);
        // Make the hash
        hash = ((hash << 5) - hash) + char;
        // Convert to 32-bit integer
        hash &= hash;
    }
}

public int HashIt(string data)
{
    var hash = 0;
    var length = data.length;
    for (var i = 0; i < length; i++)
    {
        const char = data.charCodeAt(i);
        hash = ((hash << 5) - hash) + char;

        // Convert to 32-bit integer
        hash &= hash;
    }
}

public int Hash(string data)
{
    var hash = 0;
    var length = data.length;

    for (var i = 0; i < length; i++)
    {
        var character = data[i];
        // use of djb2 hash algorithm as it has a good compromise
        // between speed and low collision with a very simple implementation
        hash = ((hash << 5) - hash) + character;

        hash = ConvertTo32BitInt(hash);
    }
    return hash;
}

private int ConvertTo32BitInt(int value)
{
    return value & value;
}