static void Main(string[] args)
{
var grumpyBear = new GrumpyBear();
var tenderHeart = new TenderHeart();
tenderHeart.Hug(grumpyBear);
var tinderHeart = new TinderHeart();
var careBears = new List <CareBearBase> {
grumpyBear, tenderHeart, tinderHeart
};
foreach (var bear in careBears)
{
bear.Care("Maria");
bear.Stare();
}
//these are filter and transformation statements: .select and .where
var namesThatStartWithT = careBears.Where(bear => bear.Name.StartsWith('T'));
var careBearNames = careBears.Select(bear => bear.Name);
var careBearNamesThatStartWithT = careBears
.Select(bear => bear.Name)
.Where(name => name.StartsWith('T'));
//the fact arrow functions: called Lambda expressions or delegate expressions
//they will "short circut": .Any will stop after finding one bear that is not a tinderheart
//.All will stop at the first tinderheart found
var anyTinderHeartBears = careBears.Any(bear => bear is TinderHeart);
var allTinderHeartBears = careBears.All(bear => bear is TinderHeart);
var firstBear = careBears.First();
var firstBearStartingWithT = careBears.First(bear => bear.Name.StartsWith("T"));
//var blowsUp = careBears.First(bear => bear.Name.StartsWith("W")); --> throws and exceptions
var works = careBears.FirstOrDefault(bear => bear.Name.StartsWith("W")); //returns as null
var skippedGrumpy = careBears.Skip(1).Take(2); //skips the 1st one, but will returnt he next 2 things
var numOfCharacters = careBears.Sum(bear => bear.Name.Length); //aslo .Max
var orderedBears = careBears.OrderBy(bear => bear.BellyBadge);
//Bedtime Bear, Birthday Bear, Cheer Bear, Friend Bear, Funshine Bear, Good Luck Bear, Grumpy Bear, Love - a - lot Bear, Tenderheart Bear, and Wish Bear
Console.ReadKey();
}
static void Main(string[] args)
{
var grumpyBear = new GrumpyBear();
grumpyBear.Care("Nathan");
var tenderHeart = new TenderHeart();
tenderHeart.Stare();
tenderHeart.Hug(grumpyBear);
var tinderHeart = new TinderHeart();
var careBears = new List <CareBearBase> {
grumpyBear, tenderHeart, tinderHeart
};
foreach (var bear in careBears)
{
bear.Care("Nathan");
bear.Stare();
}
Console.ReadLine();
}
