Go Brain Teasers/

...

/

Puzzle 23 Explanation: Go Next

Puzzle 23 Explanation: Go Next

Understand how id works in Go.

We'll cover the following...

Try it yourself

Try executing the code below to see the result.

Press + to interact
package main
import (
	"fmt"
)
var (
	id = nextID()
)
func nextID() int {
	id++
	return id
}
func main() {
	fmt.Println(id)
}

Explanation

Building the code presents the following problem:

$ go build next_id.go
#
...