ReaderTaskEither<E, L, R>.leftTask constructor
ReaderTaskEither<E, L, R>.leftTask (
- Task<
L> task
Build a ReaderTaskEither that returns a Left containing the result of running task
.
Implementation
factory ReaderTaskEither.leftTask(Task<L> task) => ReaderTaskEither(
(_) => task.run().then(left),
);