docs/RxSwift/Traits.html
`
Completable
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Represents a push style sequence containing 0 elements.
Swift
public typealias Completable = PrimitiveSequence<CompletableTrait, Swift.Never>
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Maybe
`
Represents a push style sequence containing 0 or 1 element.
Swift
public typealias Maybe<Element> = PrimitiveSequence<MaybeTrait, Element>
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PrimitiveSequence
`
Observable sequences containing 0 or 1 element.
Swift
public struct PrimitiveSequence<Trait, Element>
extension PrimitiveSequence: PrimitiveSequenceType
extension PrimitiveSequence: ObservableConvertibleType
`
Single
`
Represents a push style sequence containing 1 element.
Swift
public typealias Single<Element> = PrimitiveSequence<SingleTrait, Element>