invoke
operator fun <SubjectT, SubjectAfterChangeT> invoke(transformationStep: SubjectChangerBuilder.TransformationStep<SubjectT>, transformation: (SubjectT) -> Option<SubjectAfterChangeT>): SubjectChangerBuilder.FailureHandlerStep<SubjectT, SubjectAfterChangeT>(source)
Creates a FailureHandlerStep in the context of the SubjectChangerBuilder.