程序包 pkg.exoad.poprock.core

类 Nullable<A>

java.lang.Object

pkg.exoad.poprock.core.Nullable<A>

public class Nullable<A>
extends Object

字段概要

字段

修饰符和类型	字段	说明
static final Nullable<Object>	NULL
private A	ref

构造器概要

构造器

限定符	构造器	说明
private	Nullable(A value)

方法概要

修饰符和类型	方法	说明
void	assign(A value)
void	assignIfNull(A ref)
Nullable<A>	ifNotNull(Consumer<A> cb)
Nullable<A>	ifNull(Runnable r)
Class<?>	infer()	Basic type inferencing.
boolean	isNull()
static <B> Nullable<B>	of(B value)
A	peek()
String	toString()

从类继承的方法 java.lang.Object

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

字段详细资料

NULL

public static final Nullable<Object> NULL

ref

private A ref

构造器详细资料

Nullable

private Nullable(A value)

方法详细资料

of

public static <B> Nullable<B> of(B value)

infer

public Class<?> infer()

Basic type inferencing. Gurantees of either of the generics type or of Null

返回:

The class (runtime type)

isNull

public boolean isNull()

peek

public A peek()

assign

public void assign(A value)

ifNotNull

public Nullable<A> ifNotNull(Consumer<A> cb)

ifNull

public Nullable<A> ifNull(Runnable r)

assignIfNull

public void assignIfNull(A ref)

toString

public String toString()

覆盖:

toString 在类中 Object