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Add future::try_select #1622

Merged
merged 2 commits into from
May 20, 2019
Merged

Add future::try_select #1622

merged 2 commits into from
May 20, 2019

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taiki-e
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@taiki-e taiki-e commented May 19, 2019

The same as 0.1's select2.

@Matthias247
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Is there any situation you would prefer this over select!?
I would actually try to encourage people to really go the idiomatic async/await way, and not to offer multiple ways to do the same thing (that all need to be maintained).

@taiki-e
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taiki-e commented May 20, 2019

TrySelect is TryFuture but Select is not.

impl<A: Unpin, B: Unpin> Future for TrySelect<A, B>
where A: TryFuture, B: TryFuture
{
#[allow(clippy::type_complexity)]
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lol-- no kidding

@cramertj
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seems basically fine to me, and could help people move over code directly without going all the way to async/await. It is unfortunate to have all of these "multiple ways to do things" but after all that's sort of why futures-util exists.

@cramertj cramertj merged commit 6bb6881 into rust-lang:master May 20, 2019
@taiki-e taiki-e deleted the future-try_select branch May 20, 2019 21:31
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3 participants