As far as I can tell, this should be possible. You can use gcc to compile iOS applications and gcc supports D.
I never used D myself, and I never replaced the default compiler in Xcode, but there is an option for it in the build settings.
If I were what I would start I donβt know if there are any other steps necessary for it to work, but technically it should not be more complicated than using C ++ in iOS, which, as I know, is quite common.
Hope this gives you an idea of ββhow to move forward.
Erik b
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