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iOS Error Handling in Swift Error Handling Handling Errors

Posted by Victor O'Rourke
Victor O'Rourke
2,387 Points

Not sure how to lay this out...

So I understand what this wants me to do, but i do not know how it wants me to get there? Any help you guys can give me to push me in the right direction??

PLEASE do not just post the answer here....

error.swift 
enum ParserError: Error {
  case emptyDictionary
  case invalidKey
}

struct Parser {
  var data: [String : String?]?

  func parse() throws {
  if let data = nil {
  throw  ParserError.emptyDictionary
  } else {
  if let data = "somekey" {
  throw ParserError.invalidKey
  }
  }

}
}

let data: [String : String?]? = ["someKey": nil]
let parser = Parser(data: data)

1 Answer

cedricc
cedricc
37,590 Points
cedricc
cedricc
37,590 Points

Hello,

It's the difficult one, you can take a look at this post:

https://teamtreehouse.com/community/error-handling-2