{"action":"opened","issue":{"url":"https://api.github.com/repos/HackBulgaria/Ruby-on-Rails-1/issues/2","labels_url":"https://api.github.com/repos/HackBulgaria/Ruby-on-Rails-1/issues/2/labels{/name}","comments_url":"https://api.github.com/repos/HackBulgaria/Ruby-on-Rails-1/issues/2/comments","events_url":"https://api.github.com/repos/HackBulgaria/Ruby-on-Rails-1/issues/2/events","html_url":"https://github.com/HackBulgaria/Ruby-on-Rails-1/issues/2","id":58975896,"number":2,"title":"4-Tracks","user":{"login":"MariaTerzieva","id":3746587,"avatar_url":"https://avatars.githubusercontent.com/u/3746587?v=3","gravatar_id":"","url":"https://api.github.com/users/MariaTerzieva","html_url":"https://github.com/MariaTerzieva","followers_url":"https://api.github.com/users/MariaTerzieva/followers","following_url":"https://api.github.com/users/MariaTerzieva/following{/other_user}","gists_url":"https://api.github.com/users/MariaTerzieva/gists{/gist_id}","starred_url":"https://api.github.com/users/MariaTerzieva/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MariaTerzieva/subscriptions","organizations_url":"https://api.github.com/users/MariaTerzieva/orgs","repos_url":"https://api.github.com/users/MariaTerzieva/repos","events_url":"https://api.github.com/users/MariaTerzieva/events{/privacy}","received_events_url":"https://api.github.com/users/MariaTerzieva/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-02-25T21:51:25Z","updated_at":"2015-02-25T21:51:25Z","closed_at":null,"body":"Can you give an example of what the `jazz_playlist` and what the `house_playlist` contain and what `jazz_playlist & house_playlist` contains and also what `jazz_playlist - house_playlist` contains?\r\n\r\nAlso is \"I want you to test out an idea. Implement Playlist#each, that returns an enumerator if no block given. That way, we can get all the benefits of including Enumerable, without polluting the class with a ton of methods.\" just recommendable or is it a requirement?\r\n"}}