.net reactive extensions fundamentals 1.0;Note=Erxin.txt

.net reactive extensions fundamentals 1.0;Note=Erxin

# simple observer example
- observer linq query
{
    var query = from n in Enumerable.Range(1,5) select n;
    var obQuery = query.ToObservable();
    obQuery.Subscribe(Console.WriteLine,()=>{//done! callback});
    //the first function is use to process the each output of the query
    //the second is the callback
}