plioi

public delegate TResult Converter(T input);

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public delegate TResult Converter<T, TResult>(T input);

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public class ListHandler
{
    private readonly IRepository _repository;

    public ListHandler(IRepository repository)
    {
        _repository = repository;
    }

    public ListMoviesViewModel Execute()

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public ListMoviesViewModel ListHandler(inject IRepository repository)
{
    return new ListMoviesViewModel { Movies = _repository.Query<Movie>() };
}

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void Main()
    Print("Hello, World!")

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int Factorial(int n)
    if (n==0)
        1
    else
        n * Factorial(n-1)
    
int Main()
    Factorial(10)

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int Main()
{
    int height = 5
    length = 10
    
    height * length
}

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//Value types can be made nullable, like in C#:
int a = 1
int? b = null

//But even reference types are non-nullable by default in Rook:
string str = null // Compile error!
string? nullableStr = null // OK

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int[] digits = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
int[] firstFive = digits[0:5]
int[] lastFive = digits[5:10]
int[] interiorFive = digits[3:8]

firstFive.Append(100) // Equals [0, 1, 3, 4, 100]

interiorFive.With(2, 100) // Equals [3, 4, 100, 6, 7]

plioi

int[] digits = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
int[] firstFive = digits[0:5]
int[] lastFive = digits[5:10]
int[] interiorFive = digits[3:8]

firstFive.Append(100) // Equals [0, 1, 3, 4, 100]

interiorFive.With(2, 100) // Equals [3, 4, 100, 6, 7]