{"action":"created","issue":{"url":"https://api.github.com/repos/apple/swift/issues/4985","repository_url":"https://api.github.com/repos/apple/swift","labels_url":"https://api.github.com/repos/apple/swift/issues/4985/labels{/name}","comments_url":"https://api.github.com/repos/apple/swift/issues/4985/comments","events_url":"https://api.github.com/repos/apple/swift/issues/4985/events","html_url":"https://github.com/apple/swift/pull/4985","id":178996465,"number":4985,"title":"SR-2709: @available(swift, ...)","user":{"login":"graydon","id":14097,"avatar_url":"https://avatars.githubusercontent.com/u/14097?v=3","gravatar_id":"","url":"https://api.github.com/users/graydon","html_url":"https://github.com/graydon","followers_url":"https://api.github.com/users/graydon/followers","following_url":"https://api.github.com/users/graydon/following{/other_user}","gists_url":"https://api.github.com/users/graydon/gists{/gist_id}","starred_url":"https://api.github.com/users/graydon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/graydon/subscriptions","organizations_url":"https://api.github.com/users/graydon/orgs","repos_url":"https://api.github.com/users/graydon/repos","events_url":"https://api.github.com/users/graydon/events{/privacy}","received_events_url":"https://api.github.com/users/graydon/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/apple/swift/labels/swift-evolution-approved","name":"swift-evolution-approved","color":"006b75"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2016-09-23T23:55:57Z","updated_at":"2016-10-12T06:48:50Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/apple/swift/pulls/4985","html_url":"https://github.com/apple/swift/pull/4985","diff_url":"https://github.com/apple/swift/pull/4985.diff","patch_url":"https://github.com/apple/swift/pull/4985.patch"},"body":"This PR addresses SR-2709, and corresponds to the proposal currently under review in\r\nhttps://lists.swift.org/pipermail/swift-evolution-announce/2016-September/000286.html\r\n\r\nIt's a relatively minor extension to the `@available(...)` system to permit availability testing\r\nby swift language version. A companion to the previous PR #4826 that enables command-line\r\nbackwards compatibility adjustment of the compiler's effective language version.\r\n\r\nI'm posting here for implementation review; it should not be merged until the evolution proposal\r\nhas been reviewed and approved by the community. I'll amend here to track any changes that\r\ncome up during that discussion.\r\n\r\nResolves [SR-2709](https://bugs.swift.org/browse/SR-2709).\r\n"},"comment":{"url":"https://api.github.com/repos/apple/swift/issues/comments/253133210","html_url":"https://github.com/apple/swift/pull/4985#issuecomment-253133210","issue_url":"https://api.github.com/repos/apple/swift/issues/4985","id":253133210,"user":{"login":"graydon","id":14097,"avatar_url":"https://avatars.githubusercontent.com/u/14097?v=3","gravatar_id":"","url":"https://api.github.com/users/graydon","html_url":"https://github.com/graydon","followers_url":"https://api.github.com/users/graydon/followers","following_url":"https://api.github.com/users/graydon/following{/other_user}","gists_url":"https://api.github.com/users/graydon/gists{/gist_id}","starred_url":"https://api.github.com/users/graydon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/graydon/subscriptions","organizations_url":"https://api.github.com/users/graydon/orgs","repos_url":"https://api.github.com/users/graydon/repos","events_url":"https://api.github.com/users/graydon/events{/privacy}","received_events_url":"https://api.github.com/users/graydon/received_events","type":"User","site_admin":false},"created_at":"2016-10-12T06:48:50Z","updated_at":"2016-10-12T06:48:50Z","body":"@swift-ci please smoke test\r\n"}}
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