> Another example is Specter. Specter is a generically useful library for querying and manipulating data structures > https://github.com/redplanetlabs/specter/

> Another example is Specter. Specter is a generically useful library for querying and manipulating data structures > https://github.com/redplanetlabs/specter/tree/master/src https://github.com/redplanetlabs/specter/tree/master/src > MutableCell.Java. 8 years ago package com.rpl.specter; public class MutableCell { private Object o; public MutableCell(Object o) { this.o = o; } public Object get() { return o; } public void set(Object o) { this.o = o; } } Behold the power!