for (element in failure.stackTrace) {
                hasher.putString(element.toString())
            }
        }
        return hasher.hash()
    }

    private
    suspend fun SequenceScope<Failure>.visitFailures(failure: Failure) {
        yield(failure)
        failure.suppressed.forEach { visitFailures(it) }
        failure.causes.forEach { visitFailures(it) }
    }