{"action":"closed","issue":{"url":"https://api.github.com/repos/Reactive-Extensions/RxJS/issues/1308","repository_url":"https://api.github.com/repos/Reactive-Extensions/RxJS","labels_url":"https://api.github.com/repos/Reactive-Extensions/RxJS/issues/1308/labels{/name}","comments_url":"https://api.github.com/repos/Reactive-Extensions/RxJS/issues/1308/comments","events_url":"https://api.github.com/repos/Reactive-Extensions/RxJS/issues/1308/events","html_url":"https://github.com/Reactive-Extensions/RxJS/issues/1308","id":172638479,"number":1308,"title":"Is it possible to add Teardown logic to an already existing Observable?","user":{"login":"nickkenens","id":11739915,"avatar_url":"https://avatars.githubusercontent.com/u/11739915?v=3","gravatar_id":"","url":"https://api.github.com/users/nickkenens","html_url":"https://github.com/nickkenens","followers_url":"https://api.github.com/users/nickkenens/followers","following_url":"https://api.github.com/users/nickkenens/following{/other_user}","gists_url":"https://api.github.com/users/nickkenens/gists{/gist_id}","starred_url":"https://api.github.com/users/nickkenens/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nickkenens/subscriptions","organizations_url":"https://api.github.com/users/nickkenens/orgs","repos_url":"https://api.github.com/users/nickkenens/repos","events_url":"https://api.github.com/users/nickkenens/events{/privacy}","received_events_url":"https://api.github.com/users/nickkenens/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-08-23T08:18:23Z","updated_at":"2016-08-24T05:23:30Z","closed_at":"2016-08-24T05:23:30Z","body":"For instance, I'm currently calling unsubscribe from an Observable that is returned from Angular 2's HTTP.\r\n\r\nBut I have some custom logic surrounding it.\r\n\r\nIs it possible to add custom teardown logic to an already existing Observable, like the one returned from Angular 2's HTTP?\r\n\r\nSomething along the lines of `Observable.prototype.whenUnsubscribed(customTeardownLogic)` maybe?"}}
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