Michael Lakerveld Lakerfield

Add a new `in` expression to C#

In this workshop, we'll add a new in expression to C#, with example use cases shown below:

x in 1..10     // x >= 1 && x < 10
'a' in "bar"   // "bar".IndexOf('a') >= 0   -or-   "bar".Contains('a')
x in xs // xs.Contains(x)

I hereby claim:

I am lakerfield on github.
I am lakerfield (https://keybase.io/lakerfield) on keybase.
I have a public key whose fingerprint is AD0F CB46 8D85 7583 D5F5 FC54 2CA5 C95F 67A9 2CE4

To claim this, I am signing this object:

	using Microsoft.AspNetCore.Http.Features;
	using Microsoft.AspNetCore.Http;
	using System.Threading.Tasks;
	using Microsoft.AspNetCore.Builder;

	namespace Lakerfield.Net.ProxyApp.Middleware
	{
	/// <summary>
	/// Fix to disable websockets over non http/1.1 connections
	/// Implementation of comment https://github.com/microsoft/reverse-proxy/issues/1375#issuecomment-1312799130

	<!doctype html>
	<html lang="en">
	<head>
	<title>Print ZPL from browser</title>
	</head>
	<body>
	<h1>Test page for print ZPL from browser!</h1>

	<script type="text/javascript">
	function printZpl(zpl) {

	// A WCF SelfHost GZip Content-Encoding implementation for .NET 4.5 based on:

	// Work of Francesco De Vittori @ http://www.frenk.com/2009/12/gzip-compression-wcfsilverlight/
	// and Microsoft’s Compression Encoder sample http://msdn.microsoft.com/en-us/library/ms751458.aspx

	// Files of blog post: http://lakerfield.eu/post/2014/06/17/A-WCF-SelfHost-GZip-Content-Encoding-implementation-for-NET-45.aspx

	_serviceHost = new ServiceHost(typeof(MyService), new Uri(Options.Url));

	var encoding = new GZipMessageEncodingBindingElement(new TextMessageEncodingBindingElement(MessageVersion.Soap11, Encoding.UTF8));