Jonah Williams 09a9671ed3
[semantics] avoid sync* and excessive list copies (#64879)
Previous benchmarks have established the performance of sync*. Additionally, why allocate a list when you don't need to? Since these APIs are private, they can be re-arranged a bit to avoid creating as many lists. Will probably not have a large effect on benchmarks
2020-08-31 12:15:26 -07:00
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