ReaderTaskEither<E, L, R>.leftTask constructor

ReaderTaskEither<E, L, R>.leftTask(
  1. 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),
    );