future: provide join! macro #2158
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Provides a `join!` macro that supports concurrently driving multiple futures on the same task and await the completion of all futures.
taiki-e
reviewed
Jan 23, 2020
taiki-e
approved these changes
Jan 23, 2020
Co-Authored-By: Taiki Endo <te316e89@gmail.com>
udoprog
approved these changes
Jan 23, 2020
hawkw
approved these changes
Jan 23, 2020
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Provides a
join!macro that supports concurrently driving multiplefutures on the same task and await the completion of all futures.
Similar to #2152, this macro is implemented as a declarative macro and
recurses only once per branch.