67   var optimizeCb = function(func, context, argCount) {  argument
68     if (context === void 0) return func;
71         return func.call(context, value);
76         return func.call(context, value, index, collection);
79         return func.call(context, accumulator, value, index, collection);
83       return func.apply(context, arguments);
92   var cb = function(value, context, argCount) {  argument
93     if (_.iteratee !== builtinIteratee) return _.iteratee(value, context);
95     if (_.isFunction(value)) return optimizeCb(value, context, argCount);
103   _.iteratee = builtinIteratee = function(value, context) {
104     return cb(value, context, Infinity);
164   _.each = _.forEach = function(obj, iteratee, context) {
165     iteratee = optimizeCb(iteratee, context);
181   _.map = _.collect = function(obj, iteratee, context) {
182     iteratee = cb(iteratee, context);
212     return function(obj, iteratee, memo, context) {  argument
214       return reducer(obj, optimizeCb(iteratee, context, 4), memo, initial);
226   _.find = _.detect = function(obj, predicate, context) {
228     var key = keyFinder(obj, predicate, context);
234   _.filter = _.select = function(obj, predicate, context) {
236     predicate = cb(predicate, context);
244   _.reject = function(obj, predicate, context) {  argument
245     return _.filter(obj, _.negate(cb(predicate)), context);
250   _.every = _.all = function(obj, predicate, context) {
251     predicate = cb(predicate, context);
263   _.some = _.any = function(obj, predicate, context) {
264     predicate = cb(predicate, context);
309   _.max = function(obj, iteratee, context) {  argument
321       iteratee = cb(iteratee, context);
334   _.min = function(obj, iteratee, context) {  argument
346       iteratee = cb(iteratee, context);
386   _.sortBy = function(obj, iteratee, context) {  argument
388     iteratee = cb(iteratee, context);
408     return function(obj, iteratee, context) {  argument
410       iteratee = cb(iteratee, context);
537   _.uniq = _.unique = function(array, isSorted, iteratee, context) {
539       context = iteratee;
543     if (iteratee != null) iteratee = cb(iteratee, context);
629     return function(array, predicate, context) {  argument
630       predicate = cb(predicate, context);
646   _.sortedIndex = function(array, obj, iteratee, context) {  argument
647     iteratee = cb(iteratee, context, 1);
729   var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) {  argument
730     if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
740   _.bind = restArgs(function(func, context, args) {  argument
743       return executeBound(func, bound, context, this, args.concat(callArgs));
811     var timeout, context, args, result;
818       result = func.apply(context, args);
819       if (!timeout) context = args = null;
826       context = this;
834         result = func.apply(context, args);
835         if (!timeout) context = args = null;
845       timeout = context = args = null;
858     var later = function(context, args) {  argument
860       if (args) result = func.apply(context, args);
998   _.mapObject = function(obj, iteratee, context) {  argument
999     iteratee = cb(iteratee, context);
1068   _.findKey = function(obj, predicate, context) {  argument
1069     predicate = cb(predicate, context);
1104     var iteratee = keys[0], context;
1107       if (keys.length > 1) context = keys[1];
1114     return _.pick(obj, iteratee, context);
1390   _.times = function(n, iteratee, context) {  argument
1392     iteratee = optimizeCb(iteratee, context, 1);