Package org.eolang

Class AtVoid

java.lang.Object

org.eolang.AtVoid

All Implemented Interfaces:

Attr, Term

public final class AtVoid
extends Object
implements Attr

Void attribute.

The attribute is not yet set, but can be set. It's writable, but only once.

Since:

0.1

Field Summary

Fields inherited from interface org.eolang.Attr

DELTA, LAMBDA, PHI, RHO

Fields inherited from interface org.eolang.Term

EMPTY

Constructor Summary

Constructors

Constructor	Description
AtVoid(String name)	Ctor.

Method Summary

Modifier and Type	Method	Description
Attr	copy(Phi self)	Make a copy of it.
Phi	get()	Take the object out.
boolean	put(Phi phi)	Put a new object in.
String	toString()
String	φTerm()	To φ-calculus term, as text.

Methods inherited from class java.lang.Object

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

Constructor Detail

AtVoid

public AtVoid(String name)

Ctor.

Parameters:

name - The name of the attribute

Method Detail

toString

public String toString()

Overrides:

toString in class Object

φTerm

public String φTerm()

Description copied from interface: Term

To φ-calculus term, as text.

Specified by:

φTerm in interface Term

Returns:

The expression in φ-calculus

copy

public Attr copy(Phi self)

Description copied from interface: Attr

Make a copy of it.

Specified by:

copy in interface Attr

Parameters:

self - The object that this attribute will belong to

Returns:

A copy

get

public Phi get()

Description copied from interface: Attr

Take the object out.

Specified by:

get in interface Attr

Returns:

The object

put

public boolean put(Phi phi)

Description copied from interface: Attr

Put a new object in.

Specified by:

put in interface Attr

Parameters:

phi - The object to put

Returns:

Was attribute set