right now if any of the handlers passed to combineReducers is null, the developer won't find out until combineReducers tries to call the handler -- in which case it will be tedious to figure out the root of the problem, because information about the original call to combineReducers is lost.
right now if any of the handlers passed to
combineReducersis null, the developer won't find out untilcombineReducerstries to call the handler -- in which case it will be tedious to figure out the root of the problem, because information about the original call tocombineReducersis lost.