MonadFilter

public protocol MonadFilter : FunctorFilter, Monad

A MonadFilter is a Monad with FunctorFilter capabilities. It also provides functionality to create a value that represents an empty element in the context implementing an instance of this typeclass.

Implementing this typeclass automatically derives an implementation for FunctorFilter.mapFilter.

empty()
Obtains an empty element in the context implementing this instance.
Declaration
Swift

static func empty<A>() -> Kind<Self, A>
Return Value

Empty element.


                    
                    
                    
                      mapFilter(_:_:)

Extension method

Declaration

Swift

static func mapFilter<A, B>(
    _ fa: Kind<Self, A>,
    _ f: @escaping (A) -> OptionOf<B>) -> Kind<Self, B>

MonadFilter

Declaration

Return Value

Related functions

Declaration