mapLeft<S, C, L1, L2, R> function

StateReaderTaskEither<S, C, L2, R> Function(StateReaderTaskEither<S, C, L1, R>) mapLeft<S, C, L1, L2, R>(
  1. L2 f(
    1. L1 a
    )
)

Implementation

StateReaderTaskEither<S, C, L2, R> Function(StateReaderTaskEither<S, C, L1, R>)
    mapLeft<S, C, L1, L2, R>(L2 Function(L1 a) f) =>
        (fa) => StateReaderTaskEither(fa.call.compose(RTE.mapLeft(f)));