[swift-users] Understanding pass-by-value

[Rien]

> On 04 Nov 2016, at 17:48, Ryan Lovelett <ryan at lovelett.me> wrote:
> 
>> I often end up “printing” the addresses or using GDB to take an inside
>> look.
> 
> That is a really simple interrogation technique I wish I had thought of
> that! Thank you!
> 
>> One thing that tripped me up: if you use inout variables, the observers
>> will be triggered once the function completes. Even if the function never
>> changed the data referred to. (This is now documented behaviour)
> 
> Could you provide a link to such documentation? I think that would be
> interesting to read.

https://developer.apple.com/library/prerelease/content/documentation/Swift/Conceptual/Swift_Programming_Language/Properties.html#//apple_ref/doc/uid/TP40014097-CH14-ID254

Check the last ‘note’ in the Property Observer section.
You can also follow the link in there for more.




Regards,
Rien

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