import { Matched , MatchState , TrackedEither , Unmatched } from './types' ; description Type guard indicating a tracked value is  Unmatched param val internal export function isUnmatched < T > ( val ) { return val . _matchstate === MatchState . Unmatched ; } description Type guard indicating a tracked value is  Matched param val internal export function isMatched < T > ( val ) { return val . _matchstate === MatchState . Matched ; }