example-go-unsafe-pointer

example-go-unsafe-pointer.go

package main

import (
	"log"
	"unsafe"
)

func main() {
	x := make([]byte, 8)
	x[0] = 3
	x[4] = 1

	addr := unsafe.Pointer(&x[0])

	log.Print(*(*uint64)(addr))

	log.Print((*[2]uint32)(addr)[0])
	log.Print((*[2]uint32)(addr)[1])
}

(base) ➜  go run main.go
2020/03/22 23:56:53 4294967299
2020/03/22 23:56:53 3
2020/03/22 23:56:53 1