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Lots of zeros is good.

One big problem with null pointers is that there's only one of them. (One of a given type doesn't help.)

Hoare's "NULL was my biggest mistake" rant proposed the wrong solution, namely no null.

I think it would be better if Go had nilptr for pointer types and "nil" only applied to interface types. That would fix the problem of "why did I return nilptr but the value != nil?" But Go should also have a named zero value that applies everywhere, or at least an operator like ? that compares anything to zero.

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