<?xml version="1.0"?>
<ErrorDocumentation xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ErrorName>CS8155</ErrorName>
  <Examples>
    <string>// CS8155: Lambda expressions that return by reference cannot be converted to expression trees
// Line: 14

using System.Linq.Expressions;

class TestClass
{
    static int x;

    delegate ref int D ();

    static void Main ()
    {
        Expression&lt;D&gt; e = () =&gt; ref x;
    }
}</string>
  </Examples>
</ErrorDocumentation>