At least one new variable on the left side of :=

---

• The existing variable must receive a value of the same type it had earlier.

examples/new-variable-on-the-left/new_variable_on_the_left.go

package main

import "fmt"

func main() {
    a, b := 1, 2
    fmt.Println(a, b)
    a, c := 3, 4
    fmt.Println(a, b, c)

}

1 2
3 2 4