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

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

package main

import (
    "fmt"
)

func main() {
    a := 42
    fmt.Println(&a)
}

results in:

0x1040a124

What does the pointer value mean?

According to Wikipedia:

A pointer references a location in memory