C# 4.0 Compiler Crash

Question

This code sample is not able to be compiled. Any work arounds out there?

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

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Answer 1

Here's another workaround: don't use Func, use a good old delegate type.

public delegate dynamic Church(dynamic x, dynamic y);

class Program {
    static void Main(string[] args) {
        Church True = (a, b) => a;
        Church False = (a, b) => b;

        Func And = (x, y) => x(y(True, False), False);
    }
}

This also has the benefit, that Church is defined everywhere, and not just as a per-file using alias.