Failure

data class Failure<out E> : Result<Nothing, E>

Operation failed and returned an associated Exception

error - exception associated to the failed operation

Failure(error: E)

Operation failed and returned an associated Exception

val error: E

exception associated to the failed operation

isError	`val isError: Boolean` Returns true if the result is a failure
isSuccess	`val isSuccess: Boolean` Returns true if the result is a success

getErrorOrNull	`fun getErrorOrNull(): E?` Returns the associated exception error of type E if operation encountered a failure, otherwise null
getOrThrow	`fun getOrThrow(): V` Returns the associated value of type V if operation was successful, otherwise throws the failure exception
getValueOrNull	`fun getValueOrNull(): V?` Returns the associated value of type V if operation was successful, otherwise null