Updating variables using older values of the variables

update-using-old-values.go

import "fmt"

func printVariables(message string, a, b, c int64) {
    fmt.Println(message)
    fmt.Println("a = ", a)
    fmt.Println("b = ", b)
    fmt.Println("c = ", c)
    fmt.Println("")
}

func main() {
    var a, b, c int64

    a, b, c = 10, 20, 30
    printVariables("Initial conditions: ", a, b, c)

    a = a + b + c
    b = a + b + c
    c = a + b + c
    printVariables("After running a=a+b+c, b=a+b+c, c=a+b+c using 3 statements: ", a, b, c)

    a, b, c = 10, 20, 30
    printVariables("After reset: ", a, b, c)

    a, b, c = a+b+c, a+b+c, a+b+c
    printVariables("After running a=a+b+c, b=a+b+c, c=a+b+c using one assign statement: ", a, b, c)

}