{"action":"created","issue":{"url":"https://api.github.com/repos/ReactiveX/rxjs/issues/1915","repository_url":"https://api.github.com/repos/ReactiveX/rxjs","labels_url":"https://api.github.com/repos/ReactiveX/rxjs/issues/1915/labels{/name}","comments_url":"https://api.github.com/repos/ReactiveX/rxjs/issues/1915/comments","events_url":"https://api.github.com/repos/ReactiveX/rxjs/issues/1915/events","html_url":"https://github.com/ReactiveX/rxjs/issues/1915","id":174581049,"number":1915,"title":"Bad typings for concat","user":{"login":"OliverJAsh","id":921609,"avatar_url":"https://avatars.githubusercontent.com/u/921609?v=3","gravatar_id":"","url":"https://api.github.com/users/OliverJAsh","html_url":"https://github.com/OliverJAsh","followers_url":"https://api.github.com/users/OliverJAsh/followers","following_url":"https://api.github.com/users/OliverJAsh/following{/other_user}","gists_url":"https://api.github.com/users/OliverJAsh/gists{/gist_id}","starred_url":"https://api.github.com/users/OliverJAsh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/OliverJAsh/subscriptions","organizations_url":"https://api.github.com/users/OliverJAsh/orgs","repos_url":"https://api.github.com/users/OliverJAsh/repos","events_url":"https://api.github.com/users/OliverJAsh/events{/privacy}","received_events_url":"https://api.github.com/users/OliverJAsh/received_events","type":"User","site_admin":false},"labels":[{"id":311982664,"url":"https://api.github.com/repos/ReactiveX/rxjs/labels/type:%20type%20output","name":"type: type output","color":"ffffff","default":false}],"state":"closed","locked":false,"assignee":{"login":"david-driscoll","id":1269157,"avatar_url":"https://avatars.githubusercontent.com/u/1269157?v=3","gravatar_id":"","url":"https://api.github.com/users/david-driscoll","html_url":"https://github.com/david-driscoll","followers_url":"https://api.github.com/users/david-driscoll/followers","following_url":"https://api.github.com/users/david-driscoll/following{/other_user}","gists_url":"https://api.github.com/users/david-driscoll/gists{/gist_id}","starred_url":"https://api.github.com/users/david-driscoll/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/david-driscoll/subscriptions","organizations_url":"https://api.github.com/users/david-driscoll/orgs","repos_url":"https://api.github.com/users/david-driscoll/repos","events_url":"https://api.github.com/users/david-driscoll/events{/privacy}","received_events_url":"https://api.github.com/users/david-driscoll/received_events","type":"User","site_admin":false},"assignees":[{"login":"david-driscoll","id":1269157,"avatar_url":"https://avatars.githubusercontent.com/u/1269157?v=3","gravatar_id":"","url":"https://api.github.com/users/david-driscoll","html_url":"https://github.com/david-driscoll","followers_url":"https://api.github.com/users/david-driscoll/followers","following_url":"https://api.github.com/users/david-driscoll/following{/other_user}","gists_url":"https://api.github.com/users/david-driscoll/gists{/gist_id}","starred_url":"https://api.github.com/users/david-driscoll/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/david-driscoll/subscriptions","organizations_url":"https://api.github.com/users/david-driscoll/orgs","repos_url":"https://api.github.com/users/david-driscoll/repos","events_url":"https://api.github.com/users/david-driscoll/events{/privacy}","received_events_url":"https://api.github.com/users/david-driscoll/received_events","type":"User","site_admin":false}],"milestone":null,"comments":8,"created_at":"2016-09-01T17:29:44Z","updated_at":"2016-10-28T15:57:58Z","closed_at":"2016-10-28T15:57:58Z","body":"Version 5.0.0-beta.11\r\n\r\nI'm having trouble with some of the provided typings. For example:\r\n\r\n``` js\r\nconst x = Observable.of(1) // Observable<number>\r\nconst y = x.concat(x) // Observable<any>\r\n```\r\n\r\nI expected `y` to be `Observable<number>`. I tried to debug the typings but couldn't find where the generic was being lost. It seems to be related to `ObservableInput`, because if I change `concat`’s parameter typing from that to `Observable`, it works as expected.\r\n\r\nSame problem with `Observable.merge(Observable.of(1))`"},"comment":{"url":"https://api.github.com/repos/ReactiveX/rxjs/issues/comments/256958843","html_url":"https://github.com/ReactiveX/rxjs/issues/1915#issuecomment-256958843","issue_url":"https://api.github.com/repos/ReactiveX/rxjs/issues/1915","id":256958843,"user":{"login":"kwonoj","id":1210596,"avatar_url":"https://avatars.githubusercontent.com/u/1210596?v=3","gravatar_id":"","url":"https://api.github.com/users/kwonoj","html_url":"https://github.com/kwonoj","followers_url":"https://api.github.com/users/kwonoj/followers","following_url":"https://api.github.com/users/kwonoj/following{/other_user}","gists_url":"https://api.github.com/users/kwonoj/gists{/gist_id}","starred_url":"https://api.github.com/users/kwonoj/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kwonoj/subscriptions","organizations_url":"https://api.github.com/users/kwonoj/orgs","repos_url":"https://api.github.com/users/kwonoj/repos","events_url":"https://api.github.com/users/kwonoj/events{/privacy}","received_events_url":"https://api.github.com/users/kwonoj/received_events","type":"User","site_admin":false},"created_at":"2016-10-28T15:57:58Z","updated_at":"2016-10-28T15:57:58Z","body":"As #1978 checked in, closing issue now."}}
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