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How to pass pointer to function golang

Code examples

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Pointers in golang 

func main () {
  b := *getPointer()
  fmt.Println("Value is", b)
}
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Pointer as Function Argument in Golang 

// Program to pass pointer as a function argument
package main
import "fmt"
// function definition with a pointer argument
func update(num *int) {

  // dereferencing the pointer
  *num = 30

} 
func main() {
   var number = 55
  // function call
  update(&number)
  
  fmt.Println("The number is", number)

}

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