Function isType

isType<P, M>(match: ActionCreator<P, M>, action: Action): action is Action<P, M>
Checks an action's type and narrows its payload and metadata types.
Type Parameters
- P
  Payload type of the action creator.
- M
  Metadata type of the action creator.
Parameters
- match: ActionCreator<P, M>
  Action creator whose type to match.
- action: Action
  Action to check.
Returns action is Action<P, M>
true when the action type matches the creator.
Example
```
import { createAction, isType } from '@pacote/flux-actions'

const changeYear = createAction<number>('CHANGE_YEAR')
const action = changeYear(1955)

if (isType(changeYear, action)) {
  action.payload // number
}
```
- Defined in index.ts:86