Package cs2030s.fp

Class Memo<T>

java.lang.Object

cs2030s.fp.Lazy<T>

cs2030s.fp.Memo<T>

All Implemented Interfaces:

Immutatorable<T>

public class Memo<T>
extends Lazy<T>

Field Summary

Fields

Modifier and Type	Field	Description
private Actually<T>	value

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Memo(Constant<? extends T> c)
protected	Memo(T v)

Method Summary

Modifier and Type	Method	Description
<R,S> Memo<R>	combine(Memo<? extends S> other, Combiner<? extends R,? super T,? super S> combiner)
static <T> Memo<T>	from(Constant<? extends T> v)
static <T> Memo<T>	from(T v)
T	get()
<R> Memo<R>	next(Immutator<? extends Lazy<? extends R>,? super T> f)
java.lang.String	toString()
<R> Memo<R>	transform(Immutator<? extends R,? super T> f)	The method to produce another container with immutated element.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

value

private Actually<T> value

Constructor Detail

Memo

protected Memo(Constant<? extends T> c)

Memo

protected Memo(T v)

Method Detail

from

public static <T> Memo<T> from(T v)

from

public static <T> Memo<T> from(Constant<? extends T> v)

get

public T get()

Overrides:

get in class Lazy<T>

combine

public <R,S> Memo<R> combine(Memo<? extends S> other,
                                   Combiner<? extends R,? super T,? super S> combiner)

transform

public <R> Memo<R> transform(Immutator<? extends R,? super T> f)

Description copied from interface: Immutatorable

The method to produce another container with immutated element.

Specified by:

transform in interface Immutatorable<T>

Overrides:

transform in class Lazy<T>

Type Parameters:

R - the return type

Parameters:

f - The immutator.

Returns:

A new container containing the immutated element.

next

public <R> Memo<R> next(Immutator<? extends Lazy<? extends R>,? super T> f)

Overrides:

next in class Lazy<T>

toString

public java.lang.String toString()

Overrides:

toString in class Lazy<T>