Welcome to the Lounge

Quote:

I’ve discovered this language feature by accident...

honey the codewitch wrote:

Nice. I love it when I learn stuff.

var errorCodes = new Dictionary<int, string>
{
    [404] = "Page not Found",
    [302] = "Page moved, but left a forwarding address.",
    [500] = "The web server can't come out to play today."
};

BillWoodruff wrote:

var errorCodes = new Dictionary<int, string>
{
[404] = "Page not Found",
[302] = "Page moved, but left a forwarding address.",
[500] = "The web server can't come out to play today."
};

var errorCodes = new Dictionary<int, string>
{
    {[404], "Page not Found"},
    {[302], "Page moved, but left a forwarding address."},
    {[500], "The web server can't come out to play today."}
};

void Main()
    {
        var notACollection = new MyClass();
        var x = from a in notACollection
                where a.DoesntMatter == 5
                select "Greetings Earthling";

<pre>
    x.Dump();       // Prints "HELLO, WORLD!"

}

class MyClass
    {
    string _msg;
    public int DoesntMatter;

    public MyClass Where(Func<MyClass, bool> _)
    {
        _msg = "Hello, World!";
        return this;
    }

    public string Select(Func<MyClass, string> _)
    {
        return _msg.ToUpperInvariant();
    }
}</pre>

musefan wrote:

That explains why I haven't got it yet... I've spent the last 6 months working on some code I wrote 3 years ago.