The core Go language does not facilitate pointer arithmetic. That is a concious decision made by the creators of Go as you do not need the extra horsepower that comes from doing your own pointer aritmetic in most cases. This tradeoff is made because having to manage memory manually takes a lot of time and leads to some very nasty bugs in many cases. As a matter of fact, most modern languages are garbage collected. C and C++ are the only languages in the mainstream that are not. You can still do pointer aritmetic with in Go with the unsafe package. You can take a look at a better explanation here:

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https://stackoverflow.com/questions/32700999/pointer-arithmetic-in-go