/**
 * Turn arrow functions into normal functions.
 *
 * @example
 *
 * **In**
 *
 * ```javascript
 * arr.map(x => x * x);
 * ```
 *
 * **Out**
 *
 * ```javascript
 * arr.map(function (x) {
 *   return x * x;
 * });
 */

export var visitor = {

  /**
   * Look for arrow functions and turn them into normal functions.
   */

  ArrowFunctionExpression(node) {
    this.ensureBlock();
    node.expression = false;
    node.type = "FunctionExpression";
    node.shadow = true;
  }
};

@@ -282,30 +282,96 @@
 and 
-turn
+mark
  them 
-into normal 
+as %22shadow functions%22.%0A   * @see /transformation/transformers/internal/shadow-
 func
@@ -376,16 +376,18 @@
 nctions.
+js
 %0A   */%0A%0A

Clarify what the arrow function transformer does