Bart J.F. De Smet bartdesmet

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)

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)

	using System.Collections.Immutable;
	using System.Numerics;
	using System.Runtime.CompilerServices;

	internal class Program
	{
	static void Main(string[] args) => Console.WriteLine("C# Language Internals @ Techorama 2024");
	}

	class CSharp7