ReasonReact reducer component boilerplate

ReducerComponent.re

type state = {a: int};
type action =
  | Remove
  | Add
  | Update;

let component = ReasonReact.reducerComponent("ReducerComponent");
let make = _children => {
  ...component,
  initialState: () => 1,
  reducer: (_action: action, _state: state) => ReasonReact.NoUpdate,
  render: _self => <div> <ul /> </div>,
};