combineReducers.js里面export default (reducers: Object, getDefaultState: ?Function = Immutable.Map): Function => {}這句定義函數怎么理解？冒號什么意思？getDefaultState:?Function = Immutable.Map這句又是什么意思？
redux-immutable源碼的寫法怎么理解？
慕工程0101907
2018-10-10 17:14:54
