plioi

public class Role : Enumeration<Role>
{
    public static readonly Role System = new Role(0, "System", "System", true);
    public static readonly Role Manager = new Role(1, "Manager", "Michelle", false);
    public static readonly Role Employee = new Role(2, "Employee", "Eric", false);
    public static readonly Role HumanResources = new Role(3, "Human Resources", "Harry", false);
    
    private Role(int value, string displayName, string personaName, bool testrole)
        : base(value, displayName)
    {

plioi

Role manager = (Role)(1);
Role bogus = (Role)(-1);

Console.WriteLine(manager);
Console.WriteLine(bogus);

//Output:
//  Manager
//  -1

plioi

public void ReceiveLambdaAsDelegate(Func<int, int> function) {...}

public void ReceiveLambdaAsExpression(Expression<Func<int, int>> expression) {...}

...

ReceiveLambdaAsDelegate(x => x*x);
ReceiveLambdaAsExpression(x => x*x);

plioi

public void ReceiveLambdaAsDelegate(Func<int, int> function) {...}

public void ReceiveLambdaAsExpression(Expression<Func<int, int>> expression) {...}

...

ReceiveLambdaAsDelegate(x => x*x);
ReceiveLambdaAsExpression(x => x*x);

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//Discovering all method declarations in a given tree:
IEnumerable<MethodDeclarationSyntax> methods =
    tree.Root
        .DescendentNodes()
        .OfType<MethodDeclarationSyntax>().ToList();

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public static Customer GetCustomer(Guid customerID)
{
    return CustomerDataAccess.GetCustomer(customerID);
}

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public static Customer GetCustomer(Guid customerID)
{
    try
    {
        return CustomerDataAccess.GetCustomer(customerID);
    }
    catch (SomeSpecialException)
    {
        throw;
    }

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public static Customer GetCustomer(Guid customerID)
{
    try
    {
        return CustomerDataAccess.GetCustomer(customerID);
    }
    catch (Exception ex)
    {
        Handle(ex);
    }

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public static Customer GetCustomer(Guid customerID)
{
    try
    {
        return CustomerDataAccess.GetCustomer(customerID);
    }
    catch (Exception ex)
    {
        Handle(ex);
    }

plioi

using Some.Imaginary.Macro.Library;

public class Sample
{
    prop public string Name;
}