Mastering Go - Second Edition

Unsafe code

Unsafe code is Go code that bypasses the type safety and the memory security of Go. Most of the time, unsafe code is related to pointers. However, have in mind that using unsafe code can be dangerous for your programs, so if you are not completely sure that you need to use unsafe code in one of your programs, do not use it!

The use of unsafe code will be illustrated in the unsafe.go program, which will be presented in three parts.

The first part of unsafe.go is next:

package main 
 
import ( 
   "fmt" 
   "unsafe" 
) 

As you will notice, in order to use unsafe code, you will need to import the unsafe standard Go package.

The second part of the program comes with the following Go code:

func main() { var value int64 = 5 var p1 = &value var ...