text: import { Bindable } from 'curvature/base/Bindable';
  
  class Foobar {};
  
  const foo = Bindable.make( new Foobar );
  
  foo.x = 0;
  
  const debind = foo.bindTo('x', v => console.log(v));
  
  foo.x = 4;
  foo.x = 5;
  
  debind();
  
  foo.x = 6;
  