Go Brain Teasers/

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Puzzle 23 Explanation: Go Next

Puzzle 23 Explanation: Go Next

Understand how id works in Go.

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Try it yourself

Try executing the code below to see the result.

Go (1.16.5)
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
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