OoasTools

// Experiment: implicit conversion of indexer to function

// sestoft@dina.kvl.dk * 2005-11-08

using System;

using C5;

class MyFunTest {

  public static void Main(String[] args) {

    FooBar fb = new FooBar();

    IList<int> list = new LinkedList<int>();

    list.AddAll(new int[] { 2, 3, 5, 7, 11 });

    list.Map<double>(fb).Apply(Console.WriteLine);

    list.Apply(fb);

  }

}

class FooBar {

  public double this[int x] { 

    get { 

      Console.WriteLine(x); 

      return x + 1.5; 

    } 

  }

  public Fun<int,double> Fun {

    get { 

      return delegate(int x) { return this[x]; };

    }

  }

  public Act<int> Act {

    get { 

      return delegate(int x) { double junk = this[x]; };

    }

  }

  public static implicit operator Fun<int,double>(FooBar fb) {

    return delegate(int x) { return fb[x]; };

  }  

  public static implicit operator Act<int>(FooBar fb) {

    return delegate(int x) { double junk = fb[x]; };

  }  

}