This was released a week ago but I was busy with Handmade Seattle, so I’m sharing it now.
Since it was published, people pointed out two mistakes I made:
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Go has been able for a while now to export dynamic libraries. My knowledge was from before that time and I also got confused, thinking that you could not export C ABI functions at all, while in fact you can. That said, having a runtime still makes Go not a viable C replacement in the most direct sense of the expression.
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Zig used to only support pointer arithmetic by converting the pointer to an int, applying the operation, and then converting it back to a pointer. Since a few months ago, [*]T (and related) started supporting arithmetic. That’s a pointer type that you don’t touch directly often, as you normally would use a slice (ptr + len).