com.aol.cyclops.control

Interface Reader<T,R>

Type Parameters:

T - Current input type of Function

R - Current return type of Function

All Superinterfaces:

java.util.function.Function<T,R>, Functor<R>

All Known Implementing Classes:

FluentFunctions.FluentFunction

public interface Reader<T,R>
extends java.util.function.Function<T,R>, Functor<R>

An interface that represents the Reader monad

Method Summary

Modifier and Type	Method and Description
default AnyM<R>	anyM()
default <R1> Reader<T,R1>	flatMap(java.util.function.Function<? super R,? extends Reader<T,R1>> f)
default <R1> Reader<T,R1>	map(java.util.function.Function<? super R,? extends R1> f2) Transform this functor using the supplied transformation function

Methods inherited from interface java.util.function.Function

andThen, apply, compose, identity

Methods inherited from interface com.aol.cyclops.types.Functor

cast, patternMatch, peek, trampoline

Method Detail

map

default <R1> Reader<T,R1> map(java.util.function.Function<? super R,? extends R1> f2)

Description copied from interface: Functor

Transform this functor using the supplied transformation function

  
  
  
    of(1,2,3).map(i->i*2)
    
    //[2,4,6]
  
 
 

Specified by:

map in interface Functor<R>

Parameters:

f2 - Transformation function

Returns:

Transformed Functor

flatMap

default <R1> Reader<T,R1> flatMap(java.util.function.Function<? super R,? extends Reader<T,R1>> f)

anyM

default AnyM<R> anyM()