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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift Collections open source project
//
// Copyright (c) 2021 - 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
//
//===----------------------------------------------------------------------===//
extension OrderedSet {
/// Exposes some private implementation details and low-level unsafe
/// operations, primarily to allow clear box testing.
///
/// This struct is a private implementation detail, therefore it and its
/// members are not covered by any source compatibility promises -- they
/// may disappear in any new release.
@frozen
public struct _UnstableInternals {
@usableFromInline
internal typealias _Bucket = _HashTable.Bucket
@usableFromInline
internal var base: OrderedSet
@inlinable
init(_ base: OrderedSet) {
self.base = base
}
}
@inlinable
public var __unstable: _UnstableInternals {
@inline(__always)
get {
_UnstableInternals(self)
}
@inline(__always) // https://github.com/apple/swift-collections/issues/164
_modify {
var view = _UnstableInternals(self)
self = OrderedSet()
defer { self = view.base }
yield &view
}
}
}
extension OrderedSet._UnstableInternals: Sendable
where Element: Sendable {}
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