OOP

• Although the framework recommends the use of functional programming, it also provides object-oriented programming support.
  • ViewPart
    • Need to override the 'build' function.
    • It is immutable, so there should be no need to define variable fields internally.
  • EffectPart
    • Need to override the 'createMap' function.
    • Fields can be defined and their visibility is limited to themselves.
    • It must be used with higherEffect.
• Sample Code