{"comment":{"url":"https://api.github.com/repos/michalmuskala/elixir/comments/10085232","html_url":"https://github.com/michalmuskala/elixir/commit/946d53f56394d13ad1be0d7598a3f69ecdbe931e#commitcomment-10085232","id":10085232,"user":{"login":"michalmuskala","id":477062,"avatar_url":"https://avatars.githubusercontent.com/u/477062?v=3","gravatar_id":"","url":"https://api.github.com/users/michalmuskala","html_url":"https://github.com/michalmuskala","followers_url":"https://api.github.com/users/michalmuskala/followers","following_url":"https://api.github.com/users/michalmuskala/following{/other_user}","gists_url":"https://api.github.com/users/michalmuskala/gists{/gist_id}","starred_url":"https://api.github.com/users/michalmuskala/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/michalmuskala/subscriptions","organizations_url":"https://api.github.com/users/michalmuskala/orgs","repos_url":"https://api.github.com/users/michalmuskala/repos","events_url":"https://api.github.com/users/michalmuskala/events{/privacy}","received_events_url":"https://api.github.com/users/michalmuskala/received_events","type":"User","site_admin":false},"position":null,"line":null,"path":"","commit_id":"946d53f56394d13ad1be0d7598a3f69ecdbe931e","created_at":"2015-03-07T16:19:38Z","updated_at":"2015-03-07T16:19:38Z","body":"The list is what we will return, and the set is used to keep track of what we already have inserted. Which place exactly do you thing it's not needed?"}}