There are a couple places in CampgroundManager and CampgroundManagerTests where…
if let error = error as? NSError…
…results in the following compiler warning:
Conditional downcast from ‘Error?’ to ‘NSError’ is a bridging conversion; did you mean to use ‘as’?
Is there a good way to resolve this?
Thanks…
Jerry
Apparently the solution was to change the line to…
if let error = error as NSError?
Jerry
1 Like
Hi, Jerry!
If you use do-catch swift statement, for catching any errors you should type something like:
// Swift 3.1
do {
try doSomethingWithPossibleErrors()
} catch let error as NSError {
doSomethingIfErrorAppears()
}
, where catch construction expects error-type variable which you can use inside curly braces after catching. For instance, you can print out the error description like below.
fatalError("Error: \(error), Description: \(error.userInfo)")