I'm unease with the fact that I don't really know that my Swift program is doing in the background I don’t really understand your complaint here. The Swift run

I'm unease with the fact that I don't really know that my Swift program is doing in the background I don’t really understand your complaint here. The Swift runtime library is pretty limited - basically just allocation and reflection. The compiler spits out machine code that you can look at. Where is the “background” you are thinking of?