add meeting notes from 2018-10-11

Author: nikomatsakis

meeting-notes/20181011.md

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+# Meeting 11 Oct 2018
+
+Zulip thread: [meeting 2018-10-11](https://rust-lang.zulipchat.com/#narrow/stream/136281-wg-unsafe-code-guidelines/subject/meeting.202018-10-11]
+
+The main discussion was about how to finish up with the structs+tuples
+PR ([#31]). We opted to pull out several "unresolved questions" into
+sub-issues and call for a "final comment period" on the PR. This means
+we will merge the PR next meeting, presuming nothing arises.
+
+[#31]: https://github.com/rust-rfcs/unsafe-code-guidelines/pull/31
+
+We also reviewed the assignments for writing summaries of other
+issues, which hasn't really happened yet. It seems like it'd be good
+to get some "fresh blood" to take a look. For reference, here are a
+list of other issues. For all of them, there is at least some
+tentative consensus on certain issues, and so it would be great to
+have people volunteer to write up a PR (similar to [#31]) that
+documents what is known and pulls out important unresolved questions.
+You can kind the list of issues by searching for [the writeup-needed
+label](https://github.com/rust-rfcs/unsafe-code-guidelines/issues?utf8=%E2%9C%93&q=is%3Aopen+is%3Aissue+label%3A%22active+discussion+topic%22+label%3Awriteup-needed):
+
+- References and raw pointers (#16)
+- Fn pointers (#14)
+- Unions (#13)
+- Enums (#10)
+- Integers and floating points (#9)
+