> On 3 Mar 2015, at 22:42, Juanjo Conti <jjco...@carouselapps.com> wrote:
> 
> Ok, first of all thanks all for the replies.
> 
> I'm trying to solve it this an util class method:
> 
> import Cocoa
> 
> class Utils: NSObject {
> 
>    class func isValidUrl(url: NSURL?) {
>       var lower = url?.scheme?.lowercaseString
>        return lower == "http" || lower == "https"
>  }
> }
> Sadly I'm getting and error in the return line that I can't interprete:
> Cannot invoke == with argument list of type `($T4, $T8)`
> 


> What I'm doing wrong?
> 

Using Swift :)

> Thanks,


If you use the latest beta you get a slightly better error message “Bool is not 
convertible to ()”, that is one thing that version has fixed, the $T3 variables 
in error messages, which is a good step forward. 

That error message might lead you to realise what I didn’t from the original 
error message either, that your function definition is missing “->Bool” to give 
it a return type. Would still prefer an error message which directly said 
‘Incorrect return type” but at least this one gave enough hints to figure it 
out. 

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