7 ms·

Thanks. What could possibly cause an invalid URL in this example though?

• mrbombastic 9mo ago
  Not OP, There is none as far as I can tell but still force unwrapping that way is something people try to avoid in Swift and often times have the linter warn about. Reason being people will copy the pattern elsewhere and make the assumption something is safe, ultimately be wrong and crash your app. It is admittedly an opinionated choice though.
  • andrekandre 9mo ago
    there has been some talk ofmusing macros ro validate at runtime; personally i'd love it if that got in officially. [0] https://forums.swift.org/t/url-macro/63772 https://forums.swift.org/t/url-macro/63772
• lawgimenez 9mo ago
  In my experience, migrating to a new API endpoint while your stubborn users just refused to update your app for some reason.
• jshier 9mo ago
  Anything taking arbitrary values or user input could cause an invalid URL, especially on earlier OS versions. Newer OS versions will use a newer URL standard which is more flexible. You could wrap your URL encoding logic into a throwing or non-throwing init as well, the example just used the simple version provided by Foundation.
• fainpul 9mo ago
  Nothing. You would use `!` to force unwrap in this case. I think the point of the comment was that in many cases, when constructing a url, you can't be sure that the input will result in a valid url (e.g. when receiving a string instead of an int), so you have to be more defensive and the required code is more verbose.
  • deleted 9mo ago
    [deleted]