mcs/errors/cs0854.cs

   1 // CS0854: An expression tree cannot contain an invocation which uses optional parameter
   2 // Line: 15
   3
   4 using System;
   5 using System.Linq.Expressions;
   6
   7 class M
   8 {
   9         static void Optional (int i, string s = "value")
  10         {
  11         }
  12
  13         public static void Main ()
  14         {
  15                 Expression<Action> e = () => Optional (1);
  16         }
  17 }