namespace MacroLibrary2
{

  macro @&++(e, e2)
  {
    <[ $e + $e2 + 1 ]>
  }

}

using System;
using System.Console;
using Nemerle;
using MacroLibrary2;

// set operator priority and precedence
[assembly: Nemerle.Internal.OperatorAttribute ("", "%++", false, 240, 241)]
[assembly: Nemerle.Internal.OperatorAttribute ("MacroLibrary2", "&++", false, 283, 284)]

module Inline
{
  public @%++(a : int, b : int) : int
  {
    a + b * 2
  }
  
}

using Inline;

def a = 9;
def r = a %++ 4;
def r = r &++ 3;
WriteLine(r);
WriteLine(if (r == 21) "both elements are equal" else "elements not equal");
_ = ReadLine();```
- Execution Result: