{"action":"created","issue":{"url":"https://api.github.com/repos/dart-lang/sdk/issues/27344","repository_url":"https://api.github.com/repos/dart-lang/sdk","labels_url":"https://api.github.com/repos/dart-lang/sdk/issues/27344/labels{/name}","comments_url":"https://api.github.com/repos/dart-lang/sdk/issues/27344/comments","events_url":"https://api.github.com/repos/dart-lang/sdk/issues/27344/events","html_url":"https://github.com/dart-lang/sdk/issues/27344","id":176781519,"number":27344,"title":"implement super calls in mixins","user":{"login":"jmesserly","id":1081711,"avatar_url":"https://avatars.githubusercontent.com/u/1081711?v=3","gravatar_id":"","url":"https://api.github.com/users/jmesserly","html_url":"https://github.com/jmesserly","followers_url":"https://api.github.com/users/jmesserly/followers","following_url":"https://api.github.com/users/jmesserly/following{/other_user}","gists_url":"https://api.github.com/users/jmesserly/gists{/gist_id}","starred_url":"https://api.github.com/users/jmesserly/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jmesserly/subscriptions","organizations_url":"https://api.github.com/users/jmesserly/orgs","repos_url":"https://api.github.com/users/jmesserly/repos","events_url":"https://api.github.com/users/jmesserly/events{/privacy}","received_events_url":"https://api.github.com/users/jmesserly/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dart-lang/sdk/labels/area-dev-compiler","name":"area-dev-compiler","color":"c7def8"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":9,"created_at":"2016-09-14T00:01:58Z","updated_at":"2016-09-14T00:02:02Z","closed_at":null,"body":"_From @jmesserly on August 31, 2015 18:37_\n\ntracking bug https://github.com/dart-lang/sdk/issues/23770\r\n\r\napparently analyzer support is implemented\r\n\r\nsomewhere in a comment I had a sketch of how this would work... going to see if I can track it down.\n\n_Copied from original issue: dart-lang/dev_compiler#306_"},"comment":{"url":"https://api.github.com/repos/dart-lang/sdk/issues/comments/246864854","html_url":"https://github.com/dart-lang/sdk/issues/27344#issuecomment-246864854","issue_url":"https://api.github.com/repos/dart-lang/sdk/issues/27344","id":246864854,"user":{"login":"jmesserly","id":1081711,"avatar_url":"https://avatars.githubusercontent.com/u/1081711?v=3","gravatar_id":"","url":"https://api.github.com/users/jmesserly","html_url":"https://github.com/jmesserly","followers_url":"https://api.github.com/users/jmesserly/followers","following_url":"https://api.github.com/users/jmesserly/following{/other_user}","gists_url":"https://api.github.com/users/jmesserly/gists{/gist_id}","starred_url":"https://api.github.com/users/jmesserly/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jmesserly/subscriptions","organizations_url":"https://api.github.com/users/jmesserly/orgs","repos_url":"https://api.github.com/users/jmesserly/repos","events_url":"https://api.github.com/users/jmesserly/events{/privacy}","received_events_url":"https://api.github.com/users/jmesserly/received_events","type":"User","site_admin":false},"created_at":"2016-09-14T00:02:02Z","updated_at":"2016-09-14T00:02:02Z","body":"_From @justinfagnani on August 31, 2015 20:1_\n\nAnother idea if you go this route. You can define a helper that memoizes mixin applications.\r\n\r\n```javascript\r\nlet C = mix([A$Mixin, B$Mixin, C$Mixin]);\r\nlet D = mix([A$Mixin, B$Mixin, D$Mixin]);\r\n```\r\n\r\n`mix` can cache the result of `B$Mixin(A$Mixin(Object))` so that it's shared in the C and D prototype chains. This requires that there's no state stored in the prototypes, which should be true for Dart."}}
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