3 Higher-order functions for easier error handling.
5 `if (err) return cb(err);` be gone!
14 ### JavaScript example
16 var iferr = require('iferr');
18 function get_friends_count(id, cb) {
19 User.load_user(id, iferr(cb, function(user) {
20 user.load_friends(iferr(cb, function(friends) {
21 cb(null, friends.length);
27 ### CoffeeScript example
29 iferr = require 'iferr'
31 get_friends_count = (id, cb) ->
32 User.load_user id, iferr cb, (user) ->
33 user.load_friends iferr cb, (friends) ->
34 cb null, friends.length
37 (TODO: document tiferr, throwerr and printerr)