How can i put an exception on EXC_BAD_INSTRUCTION?

Question

I\'m trying to put an exception for the following line:

let someData Int = Int(anArray[0])!

I want the exception so that it ignores it if its a

Answer 1

You missed the proper solution:

if let someData = Int(anArray[0]) {
    // someData is a valid Int
}

Or you can use guard:

guard let someData = Int(anArray[0]) else {
    return // not valid
}

// Use someData here

Note the complete lack of the use of !. Don't force-unwrap optionals unless you know it can't fail.