Failure

data class Failure<out A> : Try<A>

Failure(exception: Throwable)

exception	`val exception: Throwable`
isFailure	Returns `true` iff the Try is a Success. `val isFailure: Boolean`
isSuccess	Returns `true` iff the Try is a Failure. `val isSuccess: Boolean`

getOrThrow	Returns the value if a Success otherwise throws the exception if a Failure. `fun getOrThrow(): A`
toString	`fun toString(): String`