[swift-evolution] proposal for a even simpler guard.. => guard!
Dominik Pich
dominik at pich.info
Mon May 2 15:15:35 CDT 2016
yes. true. that’d be also totally fine.
my main issue is to make unwrapping easier ;)
> On May 2, 2016, at 9:57 PM, David Waite <david at alkaline-solutions.com> wrote:
>
> By existing semantics of the exclamation mark, ‘guard!' would be expected to cause the application to fail fatally, not throw. This is the same as try!.
>
> -DW
>
>> On May 2, 2016, at 1:09 PM, Dominik Pich via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>>
>> Hello,
>> often the guard statement is used to only unwrap optionals. multiple guards will cause a lot of ‘overhead’.
>> also often if it doesn’t work. there is no easy way we can gracefully recover ;)
>>
>> so how about we do the same as with try/catch where you can use try! and have a guard!
>>
>> the guard! could just throw an exception …
>>
>> regards
>> Dominik
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>
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