Simplify getFuncName.

lodash.src.js

@@ -1046,14 +1046,6 @@
        */
       support.enumPrototypes = propertyIsEnumerable.call(Ctor, 'prototype');
 
-      /**
-       * Detect if `Function#name` is supported (all but IE).
-       *
-       * @memberOf _.support
-       * @type boolean
-       */
-      support.funcNames = typeof Function.name == 'string';
-
       /**
        * Detect if the `toStringTag` of DOM nodes is resolvable (all but IE < 9).
        *
@@ -4043,14 +4035,7 @@
      * @param {Function} func The function to query.
      * @returns {string} Returns the function name.
      */
-    var getFuncName = (function() {
+    function getFuncName(func) {
-      if (!support.funcNames) {
-        return constant('');
-      }
-      if (constant.name == 'constant') {
-        return baseProperty('name');
-      }
-      return function(func) {
       var result = func.name,
           array = realNames[result],
           length = array ? array.length : 0;
@@ -4058,14 +4043,12 @@
       while (length--) {
         var data = array[length],
             otherFunc = data.func;
-
         if (otherFunc == null || otherFunc == func) {
           return data.name;
         }
       }
       return result;
-      };
+    }
-    }());
 
     /**
      * Gets the appropriate "indexOf" function. If the `_.indexOf` method is