{"action":"opened","issue":{"url":"https://api.github.com/repos/ceylon/ceylon/issues/6658","repository_url":"https://api.github.com/repos/ceylon/ceylon","labels_url":"https://api.github.com/repos/ceylon/ceylon/issues/6658/labels{/name}","comments_url":"https://api.github.com/repos/ceylon/ceylon/issues/6658/comments","events_url":"https://api.github.com/repos/ceylon/ceylon/issues/6658/events","html_url":"https://github.com/ceylon/ceylon/issues/6658","id":185747860,"number":6658,"title":"Contextual<Element?> doesn't store `null`","user":{"login":"LisiLisenok","id":10707943,"avatar_url":"https://avatars.githubusercontent.com/u/10707943?v=3","gravatar_id":"","url":"https://api.github.com/users/LisiLisenok","html_url":"https://github.com/LisiLisenok","followers_url":"https://api.github.com/users/LisiLisenok/followers","following_url":"https://api.github.com/users/LisiLisenok/following{/other_user}","gists_url":"https://api.github.com/users/LisiLisenok/gists{/gist_id}","starred_url":"https://api.github.com/users/LisiLisenok/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/LisiLisenok/subscriptions","organizations_url":"https://api.github.com/users/LisiLisenok/orgs","repos_url":"https://api.github.com/users/LisiLisenok/repos","events_url":"https://api.github.com/users/LisiLisenok/events{/privacy}","received_events_url":"https://api.github.com/users/LisiLisenok/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-10-27T18:39:03Z","updated_at":"2016-10-27T18:39:03Z","closed_at":null,"body":"```Ceylon\t\r\nContextual<Integer?> intValue = Contextual<Integer?>();\r\ntry (intValue.Using(null)) {\r\n\t print(intValue.get());\r\n}\r\n```\r\n\r\nproduces:\r\nceylon.language.AssertionError \"Assertion failed violated exists result = threadLocal.get()\""}}
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