Instance Method

prepend(_:)

Prefixes the output of a publisher with the specified sequence.

Declaration

func prepend(_ elements: Never...) -> Publishers.Concatenate<Publishers.Sequence<[Never], Upstream.Failure>, Publishers.IgnoreOutput<Upstream>>

Parameters

elements

The elements to publish before this publisher’s elements.

Return Value

A publisher that prefixes the specified elements prior to this publisher’s elements.