<?xml version="1.0"?>
<ErrorDocumentation xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ErrorName>CS0854</ErrorName>
  <Examples>
    <string>// CS0854: An expression tree cannot contain an invocation which uses optional parameter
// Line: 15

using System;
using System.Linq.Expressions;

class M
{
	public M (string s = "value")
	{
	}
	
	public static void Main ()
	{
		Expression&lt;Action&gt; e = () =&gt; new M ();
	}
}
</string>
    <string>// CS0854: An expression tree cannot contain an invocation which uses optional parameter
// Line: 15

using System;
using System.Linq.Expressions;

class M
{
	static void Optional (int i, string s = "value")
	{
	}
	
	public static void Main ()
	{
		Expression&lt;Action&gt; e = () =&gt; Optional (1);
	}
}
</string>
  </Examples>
</ErrorDocumentation>