cyclops.typeclasses.functor

Interface Functor<CRE>

Type Parameters:

CRE -

All Known Subinterfaces:

Applicative<CRE>, ApplicativeError<W,E>, ComonadByPure<CRE>, FilterableFunctor<CRE>, Monad<CRE>, MonadPlus<CRE>, MonadZero<CRE>, Traverse<CRE>, TraverseBySequence<CRE>, TraverseByTraverse<CRE>

All Known Implementing Classes:

General.GeneralApplicative, General.GeneralComonad, General.GeneralFunctor, General.GeneralMonad, General.GeneralMonadPlus, General.GeneralMonadZero, General.GeneralTraverse, General.GeneralTraverseByTraverse, General.SupplierMonadPlus, General.SupplierMonadZero

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Functor<CRE>

Functor type class, performs a transformation operation over the supplied data structure

Method Summary

Modifier and Type	Method and Description
default <T,R> java.util.function.Function<Higher<CRE,T>,Higher<CRE,R>>	lift(java.util.function.Function<? super T,? extends R> fn)
default <T,R> Higher<CRE,R>	map_(Higher<CRE,T> ds, java.util.function.Function<? super T,? extends R> fn)
<T,R> Higher<CRE,R>	map(java.util.function.Function<? super T,? extends R> fn, Higher<CRE,T> ds) Transform the supplied data structure using the supplied transformation function
default <T> Higher<CRE,T>	peek(java.util.function.Consumer<? super T> fn, Higher<CRE,T> ds)

Method Detail

map

<T,R> Higher<CRE,R> map(java.util.function.Function<? super T,? extends R> fn,
                        Higher<CRE,T> ds)

Transform the supplied data structure using the supplied transformation function

  
  ListX<Integer> listx = ListX.of(1,2,3);
        ListType<Integer> mapped1 =Lists.functor().map(a->a+1, ListType.widen(listx));
        mapped1.add(1);
        ListX<Integer> listxMapped = mapped1.list();
 
 

Parameters:

fn - Transformation function

ds - Datastructure to applyHKT

Returns:

map_

default <T,R> Higher<CRE,R> map_(Higher<CRE,T> ds,
                                 java.util.function.Function<? super T,? extends R> fn)

peek

default <T> Higher<CRE,T> peek(java.util.function.Consumer<? super T> fn,
                               Higher<CRE,T> ds)

lift

default <T,R> java.util.function.Function<Higher<CRE,T>,Higher<CRE,R>> lift(java.util.function.Function<? super T,? extends R> fn)