.NET 4.0 Generics

Time for action – making a list out of IEnumerable<T>

Follow the given steps:

1. Copy the following code snippet as a query to LINQPad:

   string[] firstNames = { "Samuel", "Jenny", "Joyace", "Sam" };
   List<string> matchingFirstNames = firstNames.Where(name=>name.StartsWith("Sa")).ToList();
   matchingFirstNames.Dump("Name List");

2. Run the query. You should get the following output:
   

What just happened?

This proves that ToList<T>() essentially converts the results to a List<T>. This operator can come in particularly handy when we need to use the ForEach() method of List<T> for running some action on each element of the collection. However I don't recommend heavy ...