mapLeft<C, L1, L2, R> function
ReaderTaskEither<C, L2, R> Function(ReaderTaskEither<C, L1, R> )
mapLeft<C, L1, L2, R>(
- L2 f(
- L1 a
Composes computations in sequence, using the return value from the previous computation.
Implementation
ReaderTaskEither<C, L2, R> Function(ReaderTaskEither<C, L1, R>)
mapLeft<C, L1, L2, R>(
L2 Function(L1 a) f,
) =>
(fa) => ReaderTaskEither(fa.call.compose(TE.mapLeft(f)));