{"action":"created","issue":{"url":"https://api.github.com/repos/rust-lang/rust/issues/28796","labels_url":"https://api.github.com/repos/rust-lang/rust/issues/28796/labels{/name}","comments_url":"https://api.github.com/repos/rust-lang/rust/issues/28796/comments","events_url":"https://api.github.com/repos/rust-lang/rust/issues/28796/events","html_url":"https://github.com/rust-lang/rust/issues/28796","id":109367682,"number":28796,"title":"Tracking issue for FnBox()","user":{"login":"cybergeek94","id":3198595,"avatar_url":"https://avatars.githubusercontent.com/u/3198595?v=3","gravatar_id":"","url":"https://api.github.com/users/cybergeek94","html_url":"https://github.com/cybergeek94","followers_url":"https://api.github.com/users/cybergeek94/followers","following_url":"https://api.github.com/users/cybergeek94/following{/other_user}","gists_url":"https://api.github.com/users/cybergeek94/gists{/gist_id}","starred_url":"https://api.github.com/users/cybergeek94/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cybergeek94/subscriptions","organizations_url":"https://api.github.com/users/cybergeek94/orgs","repos_url":"https://api.github.com/users/cybergeek94/repos","events_url":"https://api.github.com/users/cybergeek94/events{/privacy}","received_events_url":"https://api.github.com/users/cybergeek94/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/rust-lang/rust/labels/B-unstable","name":"B-unstable","color":"e102d8"},{"url":"https://api.github.com/repos/rust-lang/rust/labels/final-comment-period","name":"final-comment-period","color":"207de5"},{"url":"https://api.github.com/repos/rust-lang/rust/labels/T-libs","name":"T-libs","color":"bfd4f2"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":28,"created_at":"2015-10-01T19:35:06Z","updated_at":"2015-12-03T19:21:31Z","closed_at":null,"body":"This is a tracking issue for the `fn_box` feature and `FnBox` trait, which allows a `Box<FnOnce(...) -> _>` closure to be invoked via the `\"rust-call\"` sugar.\r\n\r\nI'm not sure what the primary concerns are. All I know is it'd be really, really nice if we could invoke a `Box<FnOnce()>` *somehow* in safe Rust. This may or may not be the best approach.\r\n\r\n@eddyb feel free to CC anyone who might want to comment or edit this issue to add any pertinent information.\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/rust-lang/rust/issues/comments/161753104","html_url":"https://github.com/rust-lang/rust/issues/28796#issuecomment-161753104","issue_url":"https://api.github.com/repos/rust-lang/rust/issues/28796","id":161753104,"user":{"login":"Ericson2314","id":1055245,"avatar_url":"https://avatars.githubusercontent.com/u/1055245?v=3","gravatar_id":"","url":"https://api.github.com/users/Ericson2314","html_url":"https://github.com/Ericson2314","followers_url":"https://api.github.com/users/Ericson2314/followers","following_url":"https://api.github.com/users/Ericson2314/following{/other_user}","gists_url":"https://api.github.com/users/Ericson2314/gists{/gist_id}","starred_url":"https://api.github.com/users/Ericson2314/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Ericson2314/subscriptions","organizations_url":"https://api.github.com/users/Ericson2314/orgs","repos_url":"https://api.github.com/users/Ericson2314/repos","events_url":"https://api.github.com/users/Ericson2314/events{/privacy}","received_events_url":"https://api.github.com/users/Ericson2314/received_events","type":"User","site_admin":false},"created_at":"2015-12-03T19:21:31Z","updated_at":"2015-12-03T19:21:31Z","body":"@alexcrichton Hmm? My previous comment on `&move` vs by-value DST was off topic I'll readily admit, but isn't trying to clarify what the underlying problem with `Box<FnOnce>` quite relevant to deciding whether `FnBox` is worth stabilizing?"}}