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iOS Error Handling in Swift 2.0 Error Handling Throwing Errors

Reynhart de Beer
Reynhart de Beer
1,854 Points

Throwing Errors task help

Not sure how to complete this task, can someone please look at my code and help??

error.swift
enum BookError: Error {
    case IncorrectTitle(String)
}


func lend() throws ->  {
    throw BookError.IncorrectTitle("myBook")
}

1 Answer

Tassia Castro
seal-mask
.a{fill-rule:evenodd;}techdegree
Tassia Castro
iOS Development Techdegree Student 9,170 Points

Hey Reynhar,

 enum BookError: ErrorType { // As this is an error, the rawValue is defined to be of type ErrorType
    case IncorrectTitle(String)
}


func lend() throws { // As the method does not return anything you don't need an arrow here
    throw BookError.IncorrectTitle("myBook")
}
Reynhart de Beer
Reynhart de Beer
1,854 Points

Thanks so much , got it right :)