{"action":"created","issue":{"url":"https://api.github.com/repos/ericniebler/stl2/issues/284","repository_url":"https://api.github.com/repos/ericniebler/stl2","labels_url":"https://api.github.com/repos/ericniebler/stl2/issues/284/labels{/name}","comments_url":"https://api.github.com/repos/ericniebler/stl2/issues/284/comments","events_url":"https://api.github.com/repos/ericniebler/stl2/issues/284/events","html_url":"https://github.com/ericniebler/stl2/issues/284","id":189895087,"number":284,"title":"iter_move and iter_swap need to say when they are noexcept and constexpr","user":{"login":"ericniebler","id":225757,"avatar_url":"https://avatars.githubusercontent.com/u/225757?v=3","gravatar_id":"","url":"https://api.github.com/users/ericniebler","html_url":"https://github.com/ericniebler","followers_url":"https://api.github.com/users/ericniebler/followers","following_url":"https://api.github.com/users/ericniebler/following{/other_user}","gists_url":"https://api.github.com/users/ericniebler/gists{/gist_id}","starred_url":"https://api.github.com/users/ericniebler/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ericniebler/subscriptions","organizations_url":"https://api.github.com/users/ericniebler/orgs","repos_url":"https://api.github.com/users/ericniebler/repos","events_url":"https://api.github.com/users/ericniebler/events{/privacy}","received_events_url":"https://api.github.com/users/ericniebler/received_events","type":"User","site_admin":false},"labels":[{"id":148763048,"url":"https://api.github.com/repos/ericniebler/stl2/labels/bug","name":"bug","color":"fc2929","default":true},{"id":469616080,"url":"https://api.github.com/repos/ericniebler/stl2/labels/needs%20wording","name":"needs wording","color":"b60205","default":false},{"id":469615702,"url":"https://api.github.com/repos/ericniebler/stl2/labels/new","name":"new","color":"006b75","default":false},{"id":479205027,"url":"https://api.github.com/repos/ericniebler/stl2/labels/PDTS","name":"PDTS","color":"fbca04","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2016-11-17T00:26:10Z","updated_at":"2017-01-31T03:48:59Z","closed_at":null,"body":"The proposed wording of #242 takes a stab at it but gets it wrong."},"comment":{"url":"https://api.github.com/repos/ericniebler/stl2/issues/comments/276268135","html_url":"https://github.com/ericniebler/stl2/issues/284#issuecomment-276268135","issue_url":"https://api.github.com/repos/ericniebler/stl2/issues/284","id":276268135,"user":{"login":"CaseyCarter","id":456873,"avatar_url":"https://avatars.githubusercontent.com/u/456873?v=3","gravatar_id":"","url":"https://api.github.com/users/CaseyCarter","html_url":"https://github.com/CaseyCarter","followers_url":"https://api.github.com/users/CaseyCarter/followers","following_url":"https://api.github.com/users/CaseyCarter/following{/other_user}","gists_url":"https://api.github.com/users/CaseyCarter/gists{/gist_id}","starred_url":"https://api.github.com/users/CaseyCarter/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/CaseyCarter/subscriptions","organizations_url":"https://api.github.com/users/CaseyCarter/orgs","repos_url":"https://api.github.com/users/CaseyCarter/repos","events_url":"https://api.github.com/users/CaseyCarter/events{/privacy}","received_events_url":"https://api.github.com/users/CaseyCarter/received_events","type":"User","site_admin":false},"created_at":"2017-01-31T03:48:59Z","updated_at":"2017-01-31T03:48:59Z","body":"I hate the note in [iterator.utils.iter_swap]/1.3; it seems tutorial and/or over-specified.\r\n\r\nPerfect-forwarding is wrong for `x` and `y` in the effects of `iter_exchange`. We aren't using `&&` here to perfect forward, we're using it because we don't care if the caller passes us lvalues or rvalues. It's also odd that these effects use `iter_move` both qualified and unqualified:\r\n```c++\r\nvalue_type_t<A> old_value = iter_move(x);\r\n*x = iter_move(y);\r\nreturn old_value;\r\n```\r\n"}}
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