"go pointers" Code Answer's
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go pointers
DevLorenzo
on Jan 12, 2021
p := Vertex{1, 2} // p is a Vertex
q := &p // q is a pointer to a Vertex
r := &Vertex{1, 2} // r is also a pointer to a Vertex
// The type of a pointer to a Vertex is *Vertex
var s *Vertex = new(Vertex) // new creates a pointer to a new struct instancego pointers
DevLorenzo
on Jan 12, 2021
& address of / create pointer
* dereference pointergo pointers
DevLorenzo
on Jan 13, 2021
func main() {
i, j := 42, 2701
p := &i // point to i
fmt.Println(*p) // read i through the pointer
*p = 21 // set i through the pointer
fmt.Println(i) // see the new value of i
p = &j // point to j
*p = *p / 37 // divide j through the pointer
fmt.Println(j) // see the new value of j
}golang pointer
Restu Wahyu Saputra
on Mar 10, 2021
package main
import "fmt"
type Person struct {
Firstname string
Lastname string
}
func pointerParameter(fullname *string) {
*fullname = "john doe"
fmt.Println("passing data with pointer", *fullname)
}
func pointerStructParameter(person *Person) {
fmt.Println(*person)
}
func pointerStructParameterWithRetruning(person *Person) (pointer interface{}) {
pointer = *person
return pointer
}
func main() {
var fullname string
realNumber := 5
pointerNumber := &realNumber
number := pointerNumber
person := &Person{
Firstname: "john doe",
Lastname: "margareth",
}
var yearsPointer *int
years := &yearsPointer
pointerParameter(&fullname)
pointerStructParameter(person)
fmt.Println("real number", realNumber)
fmt.Println("pointer number", pointerNumber)
fmt.Printf("real number from pointer %v\n", *number)
fmt.Println("nil pointer", *years)
fmt.Println("read pointer paramter with returning", pointerStructParameterWithRetruning(person))
}All those coders who are working on the Go based application and are stuck on go pointers can get a collection of related answers to their query. Programmers need to enter their query on go pointers related to Go code and they'll get their ambiguities clear immediately. On our webpage, there are tutorials about go pointers for the programmers working on Go code while coding their module. Coders are also allowed to rectify already present answers of go pointers while working on the Go language code. Developers can add up suggestions if they deem fit any other answer relating to "go pointers". Visit this developer's friendly online web community, CodeProZone, and get your queries like go pointers resolved professionally and stay updated to the latest Go updates.
