Name the callback function(s)

exercises/each/solution/solution.js

@@ -13,6 +13,6 @@ async.each(process.argv.slice(2), function(item, done){
     done(err);
   });
 },
-function(err){
+function done(err){
   if(err) console.log(err);
 });

exercises/map/solution/solution.js

@@ -13,7 +13,7 @@ async.map(process.argv.slice(2), function(url, done){
     });
   });
 },
-function(err, results){
+function done(err, results){
   if (err) return console.log(err);
   // results is an array of the response bodies in the same order
   console.log(results);

exercises/reduce/solution/solution.js

@@ -1,7 +1,7 @@
 var http = require('http')
   , async = require('async');
 
-async.reduce(['one', 'two', 'three'], 0, function(memo, item, callback){
+async.reduce(['one', 'two', 'three'], 0, function(memo, item, done){
   var body = '';
 
   http.get(process.argv[2] + "?number=" + item, function(res){
@@ -12,9 +12,9 @@ async.reduce(['one', 'two', 'three'], 0, function(memo, item, callback){
     res.on('end', function(){
       callback(null, memo + Number(body));
     });
-  }).on('error', callback);
+  }).on('error', done);
 
-}, function(err, result){
+}, function done(err, result){
   if (err) return console.log(err);
   console.log(result);
 });

exercises/series_object/solution/solution.js

@@ -9,7 +9,7 @@ async.series({
     fetchURL(process.argv[3], done);
   }
 },
-function(err, result){
+function done(err, result){
   if (err) return console.error(err);
   console.log(result);
 });

exercises/times/solution/solution.js

@@ -11,7 +11,7 @@ async.series({
       _addUser(++n, function(err){
         next(err);
       });
-    }, function(err){
+    }, function next(err){
       if (err) return done(err);
       done(null, 'saved');
     });
@@ -30,13 +30,13 @@ async.series({
     }).on('error', done);
   }
 
-}, function(err, result){
+}, function done(err, result){
   if (err) return console.log(err);
   console.log(result.get);
 });
 
 
-function _addUser(user_id, cb){
+function _addUser(user_id, next){
   var postdata = JSON.stringify({'user_id': user_id}),
   opts = {
     hostname: hostname,
@@ -52,7 +52,7 @@ function _addUser(user_id, cb){
     res.on('data', function(chunk){})
 
     res.on('end', function(){
-      cb();
+      next();
     });
   });
 

exercises/waterfall/solution/solution.js

@@ -24,7 +24,7 @@ async.waterfall([
       done(e);
     });
   }
-], function(err, result){
+], function done(err, result){
   if (err) return console.error(err);
   console.log(result);
 });