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# development
w

witty-crayon-22786

06/19/2019, 8:51 PM
a

average-vr-56795

06/19/2019, 8:51 PM
Anything in particular? All our futures are `Send`…
w

witty-crayon-22786

06/19/2019, 8:52 PM
because they have to be
a

average-vr-56795

06/19/2019, 8:52 PM
I don’t think we have any that we wish weren’t…
w

witty-crayon-22786

06/19/2019, 8:52 PM
i have not yet read the question (300 email to go!)
being !Send would mean you don't need synchronization
a

average-vr-56795

06/19/2019, 8:53 PM
That would be being !Sync
w

witty-crayon-22786

06/19/2019, 8:53 PM
which is cheaper in theory?
hmmm yes, true.
k, i will read it when i get closer to the bottom of my inbox
(Sync implies Send, but not vice-versa i guess? they're tangled up)
a

average-vr-56795

06/19/2019, 8:55 PM
Send == “can be passed between threads” Sync == “multiple threads can access concurrently” So yeah, Sync implies Send, but Send doesn’t imply Sync 🙂