> You could add a category to NSArray...
>
> @implementation NSArray (ArrayOfStringsAsSingleString)
> - (NSString *)arrayOfStringsAsSingleString { return [self
> componentsJoinedByString:@", "]; }
> @end
>
> ...and then bind to "values.arrayOfStringsAsSingleString".Um, why not just bind to "values.description" the -description method of NSArray will return a string containing comma separated descriptions of the contained objects. It will even work if the contained objects aren't all strings.
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