+1

~Robert Widmann

2016/03/31 10:26、Jeff Kelley via swift-evolution <swift-evolution@swift.org> 
のメッセージ:

> I have never taken advantage of this, personally. Given that there isn’t 
> anything that this feature enables that can’t be done if it’s removed―aside 
> from reordering arguments―I’d be in favor of removing it for simplicity’s 
> sake.
> 
> Jeff Kelley
> 
> slauncha...@gmail.com | @SlaunchaMan | jeffkelley.org
> 
>> On Mar 30, 2016, at 12:59 PM, Joe Groff via swift-evolution 
>> <swift-evolution@swift.org> wrote:
>> 
>> Many people are surprised when they find out defaulted parameters can be 
>> reordered, unlike required arguments. This special case adds complexity to 
>> the language, and runs against our general trend of treating argument labels 
>> as a significant part of an API's name, and preferring a single way of 
>> writing API calls. I think it's worth revisiting this design choice―is the 
>> special case worth the complexity? How many people take advantage of default 
>> argument reordering?
>> 
>> -Joe
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