{"action":"opened","issue":{"url":"https://api.github.com/repos/hadley/tidyr/issues/91","labels_url":"https://api.github.com/repos/hadley/tidyr/issues/91/labels{/name}","comments_url":"https://api.github.com/repos/hadley/tidyr/issues/91/comments","events_url":"https://api.github.com/repos/hadley/tidyr/issues/91/events","html_url":"https://github.com/hadley/tidyr/issues/91","id":92904621,"number":91,"title":"Make sure unnest works with empty vectors","user":{"login":"hadley","id":4196,"avatar_url":"https://avatars.githubusercontent.com/u/4196?v=3","gravatar_id":"","url":"https://api.github.com/users/hadley","html_url":"https://github.com/hadley","followers_url":"https://api.github.com/users/hadley/followers","following_url":"https://api.github.com/users/hadley/following{/other_user}","gists_url":"https://api.github.com/users/hadley/gists{/gist_id}","starred_url":"https://api.github.com/users/hadley/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hadley/subscriptions","organizations_url":"https://api.github.com/users/hadley/orgs","repos_url":"https://api.github.com/users/hadley/repos","events_url":"https://api.github.com/users/hadley/events{/privacy}","received_events_url":"https://api.github.com/users/hadley/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-07-03T16:22:28Z","updated_at":"2015-07-03T16:22:28Z","closed_at":null,"body":"e.g. \r\n\r\n```R\r\ndf <- structure(list(\r\n  id = c(\"1001\", \"1002\",\"1003\", \"1004\", \"1005\"), \r\n  name = c(\"Joan\", \"Jane\", \"John\", \"Bill\", \"Tom\"), \r\n  altNames = list(character(0), c(\"Janie\", \"Janet\", \"Jan\"), \"Jon\", \"Will\", character(0))), \r\n  class = \"data.frame\", row.names = c(NA, -4L), \r\n  .Names = c(\"id\", \"name\", \"altNames\"))\r\n```\r\n\r\nfrom http://stackoverflow.com/questions/31195925"}}