opeators_example.n

using System;
using System.IO;
using StreamExtensions;

module Program
{
  Main() : void
  {
    def stream = MemoryStream();
    ignore(stream << 108 << 111 << 108);
    
    stream.Position = 0;
    
    def reader = StreamReader(stream);
    Console.WriteLine(reader.ReadToEnd());
    
    stream.Position = 0;
    
    def x = Ref(); def y = Ref(); def z = Ref();
    ignore(stream >> x >> y >> z);
    Console.WriteLine($"$x $y $z");
    
    _ = Console.ReadLine();
  }
}

public class Ref[T]
{
  public Value : T { get; set }
  
  public override ToString() : string 
  { 
    if(Object.ReferenceEquals(Value, null))
      "null"
    else
      Value.ToString()
  } 
}


module StreamExtensions
{
  public @<<(stream : Stream, v : byte) : Stream
  {
    stream.WriteByte(v);
    stream
  }
  
  public @>>(stream : Stream, v : Ref[int]) : Stream
  {
    v.Value = stream.ReadByte();
    stream
  }
}