Answer1215

摘要： We want to write a Monoid, which able to take function called 'run', therefore we able to run a serial of functions together to get a combined result. 阅读全文

摘要： const [state, dispatch] = useReducer(reducer, initialArg, init); The third arguement 'init' is a lazy initialization which is a function. It is useful 阅读全文