{"comment":{"url":"https://api.github.com/repos/HarryPan91/FlickrFetcher-Swift/comments/14921506","html_url":"https://github.com/HarryPan91/FlickrFetcher-Swift/commit/92a6fc95e625d13f89d674a3e2032c9bc9b50f40#commitcomment-14921506","id":14921506,"user":{"login":"adi-li","id":1830367,"avatar_url":"https://avatars.githubusercontent.com/u/1830367?v=3","gravatar_id":"","url":"https://api.github.com/users/adi-li","html_url":"https://github.com/adi-li","followers_url":"https://api.github.com/users/adi-li/followers","following_url":"https://api.github.com/users/adi-li/following{/other_user}","gists_url":"https://api.github.com/users/adi-li/gists{/gist_id}","starred_url":"https://api.github.com/users/adi-li/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/adi-li/subscriptions","organizations_url":"https://api.github.com/users/adi-li/orgs","repos_url":"https://api.github.com/users/adi-li/repos","events_url":"https://api.github.com/users/adi-li/events{/privacy}","received_events_url":"https://api.github.com/users/adi-li/received_events","type":"User","site_admin":false},"position":17,"line":33,"path":"FlickrPhotoDisplayer/ImageDownloader.swift","commit_id":"92a6fc95e625d13f89d674a3e2032c9bc9b50f40","created_at":"2015-12-11T10:15:11Z","updated_at":"2015-12-11T10:15:11Z","body":"`usingBlock` is suitable for method signature, but not for a variable name.\r\nYou may use `usingBlock block: (UIImage?) -> Void` instead.\r\nOr just use `completion: (UIImage?) -> Void`, which will be easier to understand."}}