Was your reason to use apple's latest programming language just that it was their latest? If so, I see their point.
I think it makes more sense to assume that she didn't just want to use the latest, hot new-fangled language.
Also, certainly not the most constructive way of making your point.
I could go on a 30 minute rant of why Swift is better then objective c. But ultimately it’s a cleaner solution that results in a better product and UX.
Mobile isn’t web, it moves way too fast to not be using the latest tools available.
As long as you used the reasons why Swift is better than Objective C as your argument, and didn't just use the whole "we need to use the latest because it's the latest".
Also, comparing mobile to web by saying mobile moves faster, really? How much has Swift been updated in the last couple of years? In that time, web tech has moved an incredible amount every week, far faster than any other platform I can think of.
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