Golang
Rules

Tap a note. Watch the address, pointer, and value move through memory.

Live memory map

Follow the pointer

memory box · 0xA1

a22

&a · address

pointer box

p0xA1

&a asks: where does a live?

Mini example

a := 22      // value
p := &a      // address
fmt.Println(*p) // 22

Keep this forever

& = ADDRESS

* = VALUE