doc / ch.tutteli.atrium.logic.creating.transformers / SubjectChangerBuilder / FailureHandlerStep / invoke

invoke

operator fun <T, R> invoke(transformationStep: SubjectChangerBuilder.TransformationStep<T>, transformation: (T) -> Option<R>): SubjectChangerBuilder.FailureHandlerStep<T, R>

Creates a FailureHandlerStep in the context of the SubjectChangerBuilder.