{"action":"opened","issue":{"url":"https://api.github.com/repos/FStarLang/FStar/issues/413","labels_url":"https://api.github.com/repos/FStarLang/FStar/issues/413/labels{/name}","comments_url":"https://api.github.com/repos/FStarLang/FStar/issues/413/comments","events_url":"https://api.github.com/repos/FStarLang/FStar/issues/413/events","html_url":"https://github.com/FStarLang/FStar/issues/413","id":110290300,"number":413,"title":"_ should be accepted as a valid argument name in val declarations","user":{"login":"msprotz","id":10673049,"avatar_url":"https://avatars.githubusercontent.com/u/10673049?v=3","gravatar_id":"","url":"https://api.github.com/users/msprotz","html_url":"https://github.com/msprotz","followers_url":"https://api.github.com/users/msprotz/followers","following_url":"https://api.github.com/users/msprotz/following{/other_user}","gists_url":"https://api.github.com/users/msprotz/gists{/gist_id}","starred_url":"https://api.github.com/users/msprotz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/msprotz/subscriptions","organizations_url":"https://api.github.com/users/msprotz/orgs","repos_url":"https://api.github.com/users/msprotz/repos","events_url":"https://api.github.com/users/msprotz/events{/privacy}","received_events_url":"https://api.github.com/users/msprotz/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-10-07T18:42:07Z","updated_at":"2015-10-07T18:42:07Z","closed_at":null,"body":"This is a syntax error:\r\n\r\n```\r\nval compress_preserves_path_to_roots:\r\n  v:Type -> d:Set.set v -> f:Relation v ->\r\n  x:v -> y:v -> z:v ->\r\n  u:v -> r:v -> #p: path v f u r ->\r\n  _:unit{ f x y /\\ path v f y z /\\ is_dsf v d f /\\ is_root v f r } ->\r\n  Tot (path v (compress v f x z) u r)\r\n```"}}