/**
   * @fileoverview Rule to flag when deleting variables
   * @author Ilya Volodin
   */
  
  "use strict";
  
  //------------------------------------------------------------------------------
  // Rule Definition
  //------------------------------------------------------------------------------
  
  module.exports = function(context) {
  
      return {
  
          "UnaryExpression": function(node) {
              if (node.operator === "delete" && node.argument.type === "Identifier") {
                  context.report(node, "Variables should not be deleted.");
              }
          }
      };
  
  };
  
  module.exports.schema = [];