static void Main(string[] args)
{
Console.WriteLine("Program extension method examples.");
Data data = new Data();
IEnumerable <int> evens;
// Get a list of even number from existing data list of randome ints.
// We can call an extension method directly by just calling it as normal.
// In that case we need to provide the THIS object as the first parameter.
evens = EnumerableObject.FilterList(data.numberList, (intNumber) => { return(intNumber % 2 == 0); });
// We can als call the extension method directly on the collection IEnumerable.
evens = data.numberList.FilterList((intNumber) => { return(intNumber % 2 == 0); });
evens = data.numberList.FilterList((i => i % 2 == 0));
// This requires an IEnuerable<string> implementation of the ext method.
evens.EnumToConsole();
Console.WriteLine("Program finished. Press any key to exit.");
Console.ReadKey();
}
