A pointer to a variable is an address in memory of that variable.
Go doesn’t allow pointer arithmetic. You can’t add to or subtract from pointers.
Zero value of a pointer is nil.
nil
Basics of pointers:
https://codeeval.dev/gist/caaac781536be9e4dc0c2f6eab8bc196
Basics of pointers
Dereferencing pointers
Pointer vs. value methods