How do I print the pointer value of a Go object? What does the pointer value mean?

Question

I am just playing around with Go and do not yet have a good mental model of when structs are passed by value or by reference.

This may be a very dumb question but I

Answer 1

type sometype struct { }
a := sometype {}
b := int(2)
println("Ptr to a", &a)
println("Ptr to b", &b)