Dart Singleton?

Dart_Singleton_Maybe

class MyClass{
  static MyClass _ref;
  
  static MyClass get context() => _ref == null ? new MyClass() : _ref;

  factory MyClass(){
    if (_ref != null) return _ref;
    
    _ref = new MyClass._internal();
    
    return _ref;
  }
  
  MyClass._internal(){}
  
}

The factory constructor acts as a proxy in this case, and simply returns the same object (_ref) if it is already initialized.

Using the underscore on the named instance constructor MyClass._internal() is supposed to prevent it's usage outside of library boundaries.

So I think I have a good singleton pattern here, at least outside of library boundaries.

Looks good to me. :)

Nice