errors/cs0131-2.cs

   1 // cs0131-2.cs: The left-hand side of an assignment or mutating operation must be a variable, property or indexer
   2 // Line: 10
   3 using System;
   4
   5 class X
   6 {
   7         static void Main ()
   8         {
   9                 int a = 7;
  10                 +a = 9;
  11         }
  12 }