a67559299a
* Update the template screen to use the new(ish) Observation framework. * Add a variant of deferFulfillment that supports observables. * Update snapshot fulfilment to work with either a publisher or a stream.
28 lines
948 B
Swift
28 lines
948 B
Swift
//
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// Copyright 2023, 2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//
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extension AsyncSequence {
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func first() async rethrows -> Self.Element? {
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try await first { _ in true }
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}
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/// Type-erases the sequence into a newly constructed asynchronous stream. This is useful until
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/// we drop support for iOS 17, at which point we can replace this with `any AsyncSequence`.
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@available(iOS, deprecated: 18.0, message: "Use `any AsyncSequence` instead.")
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func eraseToStream() -> AsyncStream<Element> {
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var asyncIterator = makeAsyncIterator()
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return AsyncStream<Element> {
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do {
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return try await asyncIterator.next()
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} catch {
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MXLog.warning("Stopping stream: \(error)")
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return nil
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}
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}
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}
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}
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