Re: Instantiate NSString from NSURL in Swift

On Feb 23, 2015, at 1:52 PM, Fritz Anderson wrote: > > On 23 Feb 2015, at 8:18 AM, Juanjo Conti > wrote: >> >> I'm translating some code from Objective-C to Swift and in the middle of >> that, i found this problem. >> >> theUrl is an instance of NSURL >> >> th

Re: Instantiate NSString from NSURL in Swift

On Feb 23, 2015, at 1:52 PM, Fritz Anderson wrote: > > This is written in haste, and few people are experts… > >theURL.host may yield nil (host is declared String!, implicitly > unwrapped, but optional). > >theURL.host?.lowercaseString will short-circuit and be evaluated as nil > if

Re: Instantiate NSString from NSURL in Swift

On Feb 23, 2015, at 11:52 , Kyle Sluder wrote: > > So the type of > foo?.lowercaseString is String?. Yes, I agree, so the OP’s *original* error message was correct, but the question is what is the type of ‘foo?.lowercaseString!’, and that depends on the precedence of the “!” operator. The ac

Re: Instantiate NSString from NSURL in Swift

On 23 Feb 2015, at 8:18 AM, Juanjo Conti wrote: > > I'm translating some code from Objective-C to Swift and in the middle of > that, i found this problem. > > theUrl is an instance of NSURL > > theUrl.host?.lowercaseString > > compiles ok. > > But > > NSString(string: theUrl.host?.lowercaseS

Re: Instantiate NSString from NSURL in Swift

On Mon, Feb 23, 2015, at 01:48 PM, Marco S Hyman wrote: > lowerCaseString is a non optional property. Therefore it makes no sense > to > write someString.lowercaseString? or someString.lowercaseString! It's chained through an optional access though. So the type of foo?.lowercaseString is String?.

Instantiate NSString from NSURL in Swift

Hi! I'm translating some code from Objective-C to Swift and in the middle of that, i found this problem. theUrl is an instance of NSURL theUrl.host?.lowercaseString compiles ok. But NSString(string: theUrl.host?.lowercaseString) don't. It says "Value of optional type 'String?' no unwrapped; d