Instance Method

tryContains(where:)

Publishes a Boolean value upon receiving an element that satisfies the throwing predicate closure.

Declaration

func tryContains(where predicate: @escaping (Output) throws -> Bool) -> Publishers.TryContainsWhere<Record<Output, Failure>>

Parameters

predicate

A closure that takes an element as its parameter and returns a Boolean value indicating whether the element satisfies the closure’s comparison logic.

Return Value

A publisher that emits the Boolean value true when the upstream publisher emits a matching value.