I have a string extension in which I define a function that calculates the DamerauLevenshtein distance between two different strings. When adding the following code:
var result = "Hello"
result.damerauLevenshteinTo("Hellow")
in any other class such as a UIViewController, UITableViewController, etc. the code compiles fine.
As soon as I try adding it to my own class defined as class CustomClass: AnyObject I get the following error message.
Value of type String has no member 'damerauLevenshteinTo'
What am I missing? Thanks!
Update Copy pasting the entire class with the extension to an empty project compiles great... Moving it to the old project still gives me the error no matter what I try.
Update 2 It seems I can't use any custom classes or subclasses inside this class. Hm...
Update 3 Deleting the file and pasting the class in a new one got rid of the error after about the third time... Hurray
How did you add the class with the extension? I added some classes into my project which included extensions, and the rest of the code wouldn't recognize the extensions. It appears that this was because I had added the files using "Create folder references" option instead of "Create groups" option. I deleted what I had added, then added them again with "Create groups" option selected. This fixed it for me.
I'm didn't pursue why using references might result in this behavior, because I had intended to add them with the "Create groups" option to begin with.