takahirohonda/calling-async-function-in-action-with-redux-thunk-2.js

## calling-async-function-in-action-with-redux-thunk-2.js
function dispatch(action) {
  if (!isPlainObject(action)) {
    throw new Error(
      'Actions must be plain objects. ' +
        'Use custom middleware for async actions.'
    )
}
  ...
	function dispatch(action) {
	if (!isPlainObject(action)) {
	throw new Error(
	'Actions must be plain objects. ' +
	'Use custom middleware for async actions.'
	)
	}
	...