FutureEither

hamsters

FutureOption

hamsters

f

Appender

failures

Validation

filter

FutureEither FutureOption HCons HList HNil OKBiasedEither

filterWith

OKBiasedEither

filterWithDefault

FutureEither

flatMap

FutureEither FutureOption OKBiasedEither

foldLeft

HCons

foreach

HList

future

FutureEither FutureOption

futureEitherToFuture

MonadTransformers

futureOptionToFuture

MonadTransformers