A namespace for types that serve as publishers.
SDKs
Framework
enum Publishers
The various operators defined as extensions on Publisher implement their functionality as classes or structures that extend this enumeration. For example, the contains(_:) operator returns a Publishers.Contains instance.
struct PublishersA publisher that publishes a given sequence of elements.
struct PublishersA publisher that handles errors from an upstream publisher by replacing the failed publisher with another publisher.
struct PublishersA publisher that delivers elements to its downstream subscriber on a specific scheduler.
struct PublishersA publisher that receives elements from an upstream publisher on a specific scheduler.
struct PublishersA publisher that transforms all elements from the upstream publisher with a provided error-throwing closure.
struct PublishersA publisher that transforms all elements from the upstream publisher with a provided closure.
struct PublishersA publisher that converts any failure from the upstream publisher into a new error.
struct PublishersA publisher that appears to send a specified failure type.
struct PublishersA publisher that republishes all non-nil results of calling a closure with each received element.
struct PublishersA publisher that republishes all elements that match a provided closure.
struct PublishersA publisher that publishes only elements that don’t match the previous element.
struct PublishersA publisher that replaces an empty stream with a provided element.
struct PublishersA publisher that replaces any errors in the stream with a provided element.
struct PublishersA publisher that republishes all non-nil results of calling an error-throwing closure with each received element.
struct PublishersA publisher that republishes all elements that match a provided error-throwing closure.
struct PublishersA publisher that publishes only elements that don’t match the previous element, as evaluated by a provided error-throwing closure.
struct PublishersA publisher that buffers items.
struct PublishersA publisher that buffers a maximum number of items.
struct PublishersA publisher that buffers and periodically publishes its items.
enum PublishersA strategy for collecting received elements.
struct PublishersA publisher that ignores all upstream elements, but passes along a completion state (finish or failed).
struct PublishersA publisher that applies a closure to all received elements and produces an accumulated value when the upstream publisher finishes.
struct PublishersA publisher that applies an error-throwing closure to all received elements and produces an accumulated value when the upstream publisher finishes.
struct PublishersA publisher that republishes items from another publisher only if each new item is in increasing order from the previously-published item.
struct PublishersA publisher that republishes items from another publisher only if each new item is in increasing order from the previously-published item, and fails if the ordering logic throws an error.
struct PublishersA publisher that publishes the number of elements received from the upstream publisher.
struct PublishersA publisher that publishes a single Boolean value that indicates whether all received elements pass a given error-throwing predicate.
struct PublishersA publisher that publishes a single Boolean value that indicates whether all received elements pass a given predicate.
struct PublishersA publisher that emits a Boolean value when a specified element is received from its upstream publisher.
struct PublishersA publisher that emits a Boolean value upon receiving an element that satisfies the predicate closure.
struct PublishersA publisher that emits a Boolean value upon receiving an element that satisfies the throwing predicate closure.
struct PublishersA publisher that only publishes the first element of a stream to satisfy a predicate closure.
struct PublishersA publisher that only publishes the last element of a stream that satisfies a predicate closure, once the stream finishes.
struct PublishersA publisher that ignores elements from the upstream publisher until it receives an element from second publisher.
struct PublishersA publisher that omits elements from an upstream publisher until a given closure returns false.
struct PublishersA publisher that omits elements from an upstream publisher until a given error-throwing closure returns false.
struct PublishersA publisher that emits all of one publisher’s elements before those from another publisher.
struct PublishersA publisher that omits a specified number of elements before republishing later elements.
struct PublishersA publisher that republishes elements while a predicate closure indicates publishing should continue.
struct PublishersA publisher that publishes the first element of a stream, then finishes.
struct PublishersA publisher that only publishes the last element of a stream, after the stream finishes.
struct PublishersA publisher that only publishes the first element of a stream to satisfy a throwing predicate closure.
struct PublishersA publisher that only publishes the last element of a stream that satisfies a error-throwing predicate closure, once the stream finishes.
struct PublishersA publisher that republishes elements while an error-throwing predicate closure indicates publishing should continue.
struct PublishersA publisher that publishes elements specified by a range in the sequence of published elements.
struct PublishersA publisher that receives and combines the latest elements from two publishers.
struct PublishersA publisher that receives and combines the latest elements from three publishers.
struct PublishersA publisher that receives and combines the latest elements from four publishers.
struct PublishersA publisher created by applying the merge function to two upstream publishers.
struct PublishersA publisher created by applying the merge function to three upstream publishers.
struct PublishersA publisher created by applying the merge function to four upstream publishers.
struct PublishersA publisher created by applying the merge function to five upstream publishers.
struct PublishersA publisher created by applying the merge function to six upstream publishers.
struct PublishersA publisher created by applying the merge function to seven upstream publishers.
struct PublishersA publisher created by applying the merge function to eight upstream publishers.
struct PublishersA publisher created by applying the zip function to two upstream publishers.
struct PublishersA publisher created by applying the zip function to three upstream publishers.
struct PublishersA publisher created by applying the zip function to four upstream publishers.
struct PublishersA publisher that raises a fatal error upon receiving any failure, and otherwise republishes all received input.
struct PublishersA publisher that handles errors from an upstream publisher by replacing the failed publisher with another publisher.
struct PublishersA publisher that handles errors from an upstream publisher by replacing the failed publisher with another publisher or producing a new error.
struct PublishersA publisher that attempts to recreate its subscription to a failed upstream publisher.
struct PublishersA publisher that “flattens” nested publishers.
struct PublishersA publisher that publishes elements only after a specified time interval elapses between events.
struct PublishersA publisher that delays delivery of elements and completion to the downstream receiver.
struct PublishersA publisher that measures and emits the time interval between events received from an upstream publisher.
struct PublishersA publisher that publishes either the most-recent or first element published by the upstream publisher in a specified time interval.
class PublishersA publisher implemented as a class, which otherwise behaves like its upstream publisher.
struct PublishersA publisher that publishes the value of a key path.
struct PublishersA publisher that publishes the values of two key paths as a tuple.
struct PublishersA publisher that publishes the values of three key paths as a tuple.
class PublishersA publisher that automatically connects and disconnects from this connectable publisher.
class PublishersA publisher that uses a subject to deliver elements to multiple subscribers.
struct PublishersA publisher that buffers elements from an upstream publisher.
enum PublishersA strategy for handling exhaustion of a buffer’s capacity.
enum PublishersA strategy for filling a buffer.
struct PublishersA publisher that provides explicit connectability to another publisher.
struct PublishersA publisher that raises a debugger signal when a provided closure needs to stop the process in the debugger.
struct PublishersA publisher that performs the specified closures when publisher events occur.
struct PublishersA publisher that prints log messages for all publishing events, optionally prefixed with a given string.
protocol PublisherDeclares that a type can transmit a sequence of values over time.
struct AnyA type-erasing publisher.
protocol ConnectableA publisher that provides an explicit means of connecting and canceling publication.
struct PublishedA type that publishes a property marked with an attribute.
protocol CancellableA protocol indicating that an activity or action supports cancellation.
class AnyA type-erasing cancellable object that executes a provided closure when canceled.