Generators (iterator functions), sync and async

[nikomatsakis]

Summary

Add some form of export for generators, which are functions that when called, return an iterator. Precise syntax is TBD.

Info

• Owner: @estebank
• Liaison: @pnkfelix
• Zulip stream [#wg-async-foundations]
• Stage: Experimental
• Repository: None
• Proposal: https://github.com/rust-lang/lang-team/issues/121

What is this issue?

This issue represents an active initiative. It is meant to be used for the group to post updates to the lang team (and others) in a lightweight fashion. Please do not use the comments here for discussion, that should be kept in the Zulip stream (discussion comments here will be marked as off-topic).

[In-line]

This 404 initiative now 🙂

[blueglyph]

This 404 initiative now 🙂

Would that be this link now? https://github.com/orgs/rust-lang/projects/16/views/1